Welcoming Insects

“If you build it, they will come.”

I often use this phrase to describe my home prairie garden which is a common misquote from a favorite 1989 baseball movie, Field of Dreams. The actual quote uses he, not they…multiple baseball players walk out of the cornfield when he builds the field…hence the likely confusion. Nevertheless, the premise of my misquote seems to be proven by my observations. Insects and a whole host of other wildlife species come to my yard, because of the plants I am adding to my landscape.

Monarch caterpillar on common milkweed

I haven’t done any quantitative sampling of insects in my yard to prove with statistical certainty that landscaping with native plants has increased the presence of fauna around my home. However, every year I do see what seem like increasingly more insects, as well as other animals that eat insects, around my yard. Therefore, I am deducing that Kevin Costner’s quote (or my made-up version) rings true for me.

Red milkweed beetle on common milkweed.

A Diverse Food Web

It would make sense that an increase in insects in my yard would happen as plant diversity increases in our landscape. The principles of ecology and trophic levels of food webs tell us this will happen. In a previous blog post (In Awe of Insects), I discuss an Earth Partnership for Schools curriculum activity called “Sweeping Discoveries.” We do this activity at Dyck Arboretum on a regular basis with teachers and students to test whether insect diversity is higher in a fescue lawn or prairie garden. The prairie garden always produces greater numbers and greater diversity of insect species.

Ailanthus webworm moth – an introduced species that uses the invasive exotic tree-of-heaven for its host plant. Unfortunately, this tree is showing up all over our neighborhood and it makes sense that this little moth is around now too.

Plenty of Moisture

Another factor coming into play that is likely causing a bountiful number of insects in our yard has been an abundance of rainfall in the first half of 2019. Roughly half of the Newton, KS area’s 34 inches of average annual precipitation fell in record-breaking fashion during the month of May. Not only is this prairie garden mature, since I have been adding to it regularly for 15 years now, but the existing plants are reaching their maximum size and duration of flowering due to the abundant moisture. There is plenty of host plant material and nectar right now for insects.

15+ inches of rain in the last six weeks has made the garden quite lush.

Herbivores and Carnivores

I make daily morning/evening weeding and observation visits in our prairie garden. I have enjoyed watching butterflies, flies, moths, beetles, true bugs, ants, katydids, small bees, big bumblebees, and more in recent weeks. The especially intense blooming of common milkweed has really attracted plant-eating and nectar-sipping insect visitors lately.

Bumblebee on common milkweed.

As one would expect, species that eat insects should also be abundant. Insectivorous birds common around our urban yard include grackles, cardinals, brown thrashers, black-capped chickadees, Carolina wrens, bluejays, starlings, Baltimore orioles, chimney swifts, and American robins. Joining these birds in our yard are carnivores including assassin bugs, Great Plains skinks, big brown bats, preying mantis, spiders, cicada killers, eastern screech owls, and Cooper’s hawks that have made their presence known (somewhat regularly).

Our big brown bat population (up to 16 at last count) eats loads of insects around the yard.

Harvey County Butterfly Count

If you have any interest in learning more about the butterflies in Kansas and even if you are a butterfly novice, consider joining me and others this Saturday, June 22, 2019 at our 20th Annual Harvey County Butterfly Count. Spend either a half or full day looking for, identifying, and counting butterflies with experienced group leaders around the county. This citizen science data is logged through the North American Butterfly Association and helps track trends in butterfly populations. Send me an email if you are interested and I will get you involved.

With monarch populations on the decline, regular monitoring of this species is more important than ever.

Now, get out there and tune into the fascinating world of insects around you. Consider what you can do to add more plant diversity, and ultimately more insect and wildlife diversity to your landscape. Both you and the insects will benefit.

Gardening with Purpose

We have seen an abundance of blooms this spring. All this beauty and wildlife activity, particularly pollinators, has reminded me again about the roles our gardens play in benefiting our small corner of the world.  We can garden with a sense of purpose that helps wildlife ecologically.  With Pollinator Week quickly approaching (June 17th – 23rd), I thought maybe we could take a moment to think about our gardens in a different way. 

Garden with your goals in mind

When we garden, each of us has an opportunity to develop a native wildlife habitat, to design our garden to attract pollinators and wildlife, and to create a safe space where horticulture, imagination, and ecology are reflected purposefully in our garden design.  We need to think with the end-goal in mind.  By creating living sanctuaries, depleted and endangered native bees and butterflies can easily find the food, shelter and water they need for their survival. 

This is a small way you can show you care, maybe even rediscover your own humanity.  Along with others in your neighborhood who develop habitat gardens, you will help the predicament of these beneficial insects.  Even a small garden can have an impact.  Think of it as a way you can reconnect with nature in a very personal way as you care for your corner of the earth.

Monarchs

Statistics show that the monarch butterfly population in North America has declined by over 90% in just the last 20 years.  This is disheartening.  One of the biggest factors in monarch decline is the increasing scarcity of its only caterpillar host plant: milkweeds. Without milkweeds, monarchs can’t successfully reproduce or migrate, resulting in the species declines. If you plant milkweeds in your own garden you can help reverse the fortune of these beautiful insects.  You can be part of the ultimate solution, which is to provide the plants monarchs need for their life cycle.

Honey Bees

The plight of the honey bee and the collapse of entire colonies has garnered nationwide attention.  However, many of our native bee populations are in danger too.  Scientists continue to track dwindling populations of native bees, including the possible extinction of some species.  The native pollinators are key components of a healthy ecosystem.  Habitat loss, the use of pesticides and insecticides along the introduced diseases threaten their lives.  These bees often lack season-long food sources, which is obviously important to their vitality.  

Choose Native Plants

Native plants can help us alleviate some of the problems pollinators face.  Native plants have the ability to grow in our soils, are adapted to the climate, look attractive, control erosion, create beneficial habitat and are the preferred food source for many of these pollinators.  By establishing habitat gardens that use native prairie plants, we can improve their plight in this world.  Recognizing that we can make a difference should be motivation to at least begin to help them. 

Stewardship starts at home

Stewardship and conservation can start with our gardens. Despite size limitations, these prairie gardens are an important part of conserving the prairie and the wildlife that depend on them. You might be surprised how much your garden can do to reverse some of these trends.  Imagine your garden combined with hundreds of other small prairie landscapes.  True, it is not the expansive prairies of the past, but it does make a difference.  Your garden can be a piece of the patchwork of prairies.

What will all this rain do to my native plants?

The spring of 2019 has been an unusually cool and wet spring here in Kansas. I don’t like to complain about rain, because I know at some point it will quit.  Conditions will get hotter and dryer through the summer.  I don’t know what normal is anymore. For many of us, a short reprieve from the rain would be welcome.  It would give us a chance to catch up and let our basements dry out. 

All this rain made me think about what it does to plants.  Many of you have newly-planted gardens or established flower beds and you, too, may be asking yourself – what will all this rain do to my native plants?

Native Pink Columbine

Excessive growth

Rain obviously causes the plants to grow.  One of the downfalls of excessive growth so early in the season is that it will need to maintain that growth the rest of the year.  Certainly, native plants are adapted to our prairie conditions and have root systems that can sustain the plants.  It makes the placement of plants even more critical and important as we work to match the plants with our sites.  If the plants are properly situated, it should not be a problem. 

Use this season as an opportunity to observe your plants. If you see some wilting over the next few weeks, it may be an indication that the roots have been damaged or that the plants are not happy where they are planted. 

Penstemon ‘Dark Towers’

Plant diseases

All this rain has created perfect conditions for plant diseases like bacteria and fungi to flourish.  There hasn’t been much time for plants to dry out in between rains.  Prolonged periods of leaf wetness and excess moisture around the plant root zone can damage leaves and the crowns of plants.  A few days of sunlight will help, but we need to make sure these plants are not smothered by mulch and the crowns of the plants have a chance to dry. Many plants, including trees and shrubs, have been slow to leaf out. Excessive rainfall and overcast skies has slowed the plant’s growth and can affect the timing and intensity of the blooms for the rest of the season. With rainfall like we have had, it makes us more aware of drainage issues, air circulation, plant selection and planting depth within our landscapes.  

Nutrient leaching

Native plants don’t typically need to be fertilized.  Their extensive root systems tap into nutrients that most plants can’t reach. 

Your plants may have a yellow cast to them, but that doesn’t mean you should fertilize them.  It is a result of lack of sunlight and too much water.  Let them develop new roots and they will begin to green up on their own.  By adding fertilizer, native plants have a tendency to flop and outgrow their root systems. Resist the temptation to fertilize your plants. While heavy rains have leached nutrients out of the soil, affecting the plant growth, these conditions will usually only cause temporary nutrient deficiency.  

Bank of Amsonia

Plants are resilient and quite adaptable.  They should recover over time.  The long term effects of all this rain may not be fully known until later this year or even next year, but a majority of them will be fine.  One reward is that we haven’t had to water much.  We established some plants here at the Arboretum and never had to water them other than the first watering.  That is very rare in Kansas.  I love the sunshine today.  All the lush plants are loving it too.       

Katie’s Weeding Guide Part II

In a previous blog post I discussed tips for common weed identification, but hinted at a second installment covering plants that don’t quite qualify as weeds. After all, a weed is just a plant out of place! Some lovely native flowers have ‘weedy’ tendencies but don’t deserve total eradication from the garden. Here is an introduction to a few of those characters, and what you can do to control them when weeding your gardens.

Spiderwort – Tradescantia ohiensis or T. tharpii

A lovely member of the dayflower family, spiderwort puts on a wonderful show throughout spring.

Ranging from true blue to purple, spiderwort germinates readily from seed and can quickly take over a garden. I find it in every garden we have here at the Arboretum. Hairy leaves with purple veins and a pronounced fold along the mid vein are easy ways to identify spiderwort. The short stemmed species (T. tharpii) is a nice filler around other perennials and will grow as a ground cover. T. ohiensis is taller and more unwieldy, crowding out desirable plants. When Arboretum volunteers are weeding, I ask them to remove all but a few intentional clumps. I cut the flowers frequently to prevent those clumps from seeding.

Prairie Petunia – Ruella humilis

So petite but not so polite, Ruella spreads rapidly and travels all over the garden, thanks to its exploding seeds pods. White, pink, or lilac flowers are borne on purple stems with deep green foliage. With a mainly prostrate habit, this creeper makes a nice border plant, especially spilling over rock edging. Deep rooted, it is hard to pull once mature. If these fellas get started in your garden, regular weeding won’t do it – you will need to dig them out. But maybe they are the free, fast growing ground cover you have been looking for!

Curly Cup Gumweed – Grindelia squarosa

Gumweed can be found growing north of our Prairie Pavilion, but not for long! I am overdue in weeding them out. This western US native is cheery and adorable, but too wild to be running amuck in our formal gardens. I’d be much happier to see it growing in our prairie or around the pond edge. If you have the space, don’t pull them all out – it is attractive to pollinators and can be controlled by cutting the flowers before they seed. 

Public domain image, USA

These are just a few of the weedy native flowers that your soil’s seed bank may be harboring. Perhaps they can find a happy home in your garden, as long as you are willing to tame their bad habits. 

Kansas Native Ferns

At FloraKansas Native Plant Festival our customers were surprised to see we offer Kansas native ferns. Perhaps they were surprised to hear Kansas even had native ferns! With our hot, dry summers and deep-freeze winters, Kansas does not seem like hospitable environment for delicate, shade loving plants. However, we have several naturally occurring fern species in the state that are hardier than you might think. They are fascinating to observe growing in the wild, but also make excellent additions to your shade garden.

Royal Fern

Osmunda regalis var spectabilis


According to fossil records, the royal fern family (Osmundaceae) dates back about 365 million years. 3 to 4 feet tall (shorter in poor, drier soil), this fern becomes a large and impressive specimen in the shade garden. O. regalis var spectabilis grows happily in the far eastern part of Kansas and throughout the eastern third of North America. Royal fern has attractive bright green foliage and rust colored spore plumes. It prefers moist, somewhat acidic soil and shade though it can handle sun if the soil is kept wet. This fern can live up to 100 years if planted in the right location!

Royal fern is an easterly species, occurring from the Ozarks through the southeastern US and north into eastern Canada.

Christmas Fern

Polystichum acrostichoides

This festive native fern grows in far southeastern Kansas. According to Missouri Botanical Garden, it “…typically grows in a fountain-like clump to 2′ tall and features leathery, lance-shaped, with evergreen (green at Christmas time as the common name suggests) fronds.” If you love boston ferns but want something perennial, this is a great option. When planted in an average moisture, shaded area it will spread slowly to form a colony.

If you are up for some botanizing, head to these southeastern counties in moist, partially wooded areas to catch a glimpse of these ferns.

Sensitive Fern

Onoclea sensibilis

Onoclea is unique native fern, with arching fronds and oblong, creeping rhizomes. Getting its name from sensitivity to frost, O. sensibilis is surprisingly hardy. It can easily survive the cold dry winters in Kansas, Nebraska and even the Dakotas. This species is native to the eastern half of North America as well as far eastern Russia and China. According to Wikipedia, you can help your ferns survive the winter by leaving dried fronds on the plant instead of clearing them away.

There are many more native ferns I could include here, from the marginal woodfern found in Wilson, Elk, and Greenwood counties to the tiny rock ferns growing among the monoliths at Rock City in Minneapolis, KS. Get out and do some fern hunting, or buy a few at our fall sale to enjoy for years to come.

Garden Trends in 2019

Over the past five years, we have seen some interesting things happen regarding native plants.  People are learning about native plants and matching plants up with their local conditions.  More and more people are seeking them out to include in their landscapes.  Here are a few of the emerging garden trends regarding native plants:

Wildlife-friendly plants

I keep coming back to this idea of beautiful AND good.  Aesthetics are important and we all want attractive landscapes, but of equal importance is this feeling that what we are doing is good for everyone and everything.  It can be intimidating to change the way you garden or landscape.  Choosing plants just because they are visually appealing simply isn’t a good enough reason anymore.  Creating a habitat using plants that are adapted to your site is a far better approach to landscaping.  Designs that have attractive combinations of wildflowers, grasses, shrubs and trees may initially capture our imaginations, but more and more people are wanting these plants and landscapes to provide additional benefits. Our gardens must now not only look good, but also do double duty to provide for pollinators, attract birds and other wildlife, develop habitat and positively impact the environment.

New England Aster with Monarch

Pollinator gardens

It has taken a while, but native plants are finally getting the attention they deserve.  They are viable alternatives to many of the overused plants you see in so many landscapes.  There are literally hundreds of plants that will fit into your landscape design.  Whether it is a true native species or “nativar” (a hybrid or new selection of a native plant), these plants offer qualities that will beautify the landscape and attract pollinators, too.  For people who live in prairie country, it may be easy to take our native plants for granted. Yet these plants, with their simple form and subtle beauty, can make attractive additions to the home landscape.

Pale Coneflower

Water-wise plants

We don’t think often enough about the water we use. It is a precious commodity. Remember the 2011 and 2012 drought in Kansas? We were using tremendous quantities of water to keep our landscapes alive. It made us evaluate each plant according to its response to these extreme conditions.  Obviously, some plants did better than others and we lost some plants those years. It made us think critically about our plant choices and irrigation practices. A beautiful and resilient landscape that uses little, if any, supplemental water is an achievable result.  A few changes like adding some native plants can make a big difference.

Kansas gayfeather with tiger swallowtail butterfly
Photo by Janelle Flory Schrock

It seems to me that these trends for 2019 have something obviously in common – native plants.  Native plants are not the “be all” and “end all” solution, but they provide a good starting point to solving some problems you encounter in the landscape.  With so much to consider when designing or redesigning your landscapes, don’t overlook native plants.  You will be rewarded time and again by their unique beauty and deep roots. 

A few plants for your sunny spot

Over the past several months, as I have been working on landscape designs for homeowners, I have been noticing a few trends. 

  • First, homeowners are increasingly interested in native plants.  They understand the benefits of utilizing native plants both to the environment and the wildlife they are trying to attract.  The advantages of native plants have been noted in previous blog posts.
  • Secondly, they want something interesting happening/blooming in their landscape throughout the year
  • Thirdly, they want native grasses incorporated into the design. 

To help fill these needs, I have come up with a list of my favorite plants for the landscape that I try to work into most designs. If you need help with your landscape or have questions about using native plants, give us a call or come to the FloraKansas Native Plant Festival. We would be happy to visit with you.

As you know, each landscape is unique and only a handful of these plants will work in specific yards, but they are all hardy and easy to maintain.  These sun loving perennials have beauty and landscape value too.   Here are some of my favorite native or adaptable plants to use for a sunny landscape in South Central Kansas:

Switchgrass (Panicum ‘Northwind’)

This grass is incredible! Do you need a vertical element in the landscape? Then this is the grass for you. The upright clumps have wide steel blue leaves that turn a golden yellow in the fall. The unique flower panicles emerge in September and are held towards the middle of the clump close to the foliage.  Ultimately, it reaches four to five feet tall.  I love this grass because it will not fall over. 

Threadleaf Bluestar (Amsonia hubrichtii)

This is an all-season perennial with fantastic ornamental features that make it stand out from other wildflowers.   In May and June, clusters of small powder blue, star-like flowers top the strong stems.  The stems are encircled with soft, narrow leaves resembling pine needles, making each plant look like a small shrub with feathery texture and incredible fullness. I have found them to be extremely hardy, drought tolerant and very low maintenance.  Other forms worth considering are Amsonia ‘Storm Cloud’ and Amsonia ‘Butterscotch’

Prairie Dropseed (Sporobolus heterolepis)

At one time, this was one of the top selling grasses nationwide.  It is a favorite of mine because it is long-lived and tough.  It is so tough they are planted en masse in street medians.  The fine textured leaves and airy, fragrant panicles are a nice addition to any landscape.  Each clump can reach 12-18 inches wide and up to 24 inches tall.  The entire plant turns shades of orange and yellow in the fall, providing multiple seasons of interest.  It is great in a border, as a groundcover, in an informal prairie setting, or as an accent to other short or mid-range perennials.  I like to mix it with short heath asters, purple poppy mallow, evening primrose or Missouri black-eyed susan. 

Purple Poppy Mallow (Callirhoe involucrata)

Some like it hot, but these like it really hot.  The deep tap root of Purple Poppy Mallow sustains it during times of drought.  These roots are starchy and supposedly taste like a sweet potato.  (I don’t know if I am that hungry, but it may be worth a try.)  The magenta cup-like blooms appear throughout spring and into summer.  I like to interplant them with low grasses or shorter perennials that bloom later in the season, such as blazing stars or goldenrods.  The stems hug the ground and ultimately spread 24-36 inches wide and 6-12 inches tall.

Penstemon ‘Dark Towers’ (Penstemon digitalis)

I love this penstemon in the perennial border.  The pink flowers in spring have just a blush of white and develop interesting seed heads.   It adds outstanding form and texture to any landscape throughout the year.  Penstemon ‘Dark Towers’ is a beautiful selection of smooth penstemon with reddish-purple foliage that is attractive even when blooming is complete.

Aromatic aster (Aster oblongifolius)

This diverse wildflower grows throughout the state, and is more drought-tolerant than other aster species. Its name alludes to its fragrant purple/pink flowers and foliage that exudes a pungent aroma.  This species typically grows about two feet tall, but shorter varieties also exist.  Garden-worthy varieties include ‘Dream of Beauty’ (one foot tall with pink blooms), ‘October Skies’ (2’ x 2’ with light blue flowers)  and ‘Raydon’s Favorite’ (3’ x 2’ with light blue flowers).

Aster ‘Raydon’s Favorite’ in full bloom

Butterfly Milkweed (Asclepias tuberosa)

Butterfly milkweed is a stout one to two foot tall perennial with a deep, coarse, fibrous root system.  Flowers vary in color from deep orange-red in the eastern part of its range to lighter orange and finally yellow farther west and south in Kansas.  Unlike the numerous other milkweeds found in Kansas, butterfly milkweed does not exude a white milky sap when the stem is cut or a leaf is removed.

Do your garden a favor and include some butterfly milkweed.  Its many ornamental and functional assets, plus its rugged character will make it a focal point in the summer garden for years to come.  Plus, you will be rewarded as pollinators such as Monarchs seek out this beautiful native wildflower.

I could choose many more garden worthy perennials, but I only have so much space. You can find these and many other native plants at our spring FloraKansas Native Plant FestivalCLICK HERE for the 2019 Native Plant Guide.  These garden worthy perennials would be at home in any sunny spot in your yard.  Why not give them a try?

Preparing for FloraKansas

The Arboretum greenhouse is warm and alive this time of year, beginning to fill up with stock for FloraKansas Native Plant Festival. FloraKansas is our largest fundraiser, and takes a lot of prep work. Luckily, I relish my time spent time in the greenhouse, so it is a welcome change of pace from the snow-shoveling and office work of winter. Here is a behind the scenes look at how it all comes together in just a few short months.

Each spring we receive about 15,000 plants. Many plants come to us as plugs — pre-grown plants that are transplanted into sale-size pots. This is an economical and user-friendly way for us to plant thousands of plants without the risk associated with caring for tiny seedlings. We order plugs from lots of native plant nurseries around the country and around the state to ensure a nice variety for our customers.

Plugs are small and have fragile foliage, but also have well formed root systems.
Photo of a small plant, a newly transplanted plug.
Plug plants arrive with very few leaves on. With a few days of sun and moisture, they begin to leaf out and grow quickly.

Sometimes we seed our own plants with seed we have collected or purchased from a trusted source. Though this is very tedious and time consuming, it is so rewarding to see those little sprouts poking through the soil! We then use a fork to tease apart the tiny roots and plant them into individual pots.

Tiny seedlings are so sensitive to changes in temperature and moisture, so I try not to seed more than I can take care of! In previous years, Scott and Brad seeded much more of the nursery stock than we do today.

We heat the greenhouse with industrial heaters during the cold nights of February and March and vent with large fans during the day. Keeping plants at optimal growing temperature helps them green up in time for the sale. Surprisingly, during a sunny day in spring, temperatures in the greenhouse can reach 90 and 100 degrees Fahrenheit quickly, even though it is cold outside!

Our director, Scott, waters mature shade plants in our greenhouse. Too much water can mean mold and rot for our plants, but too little can also be deadly!
Photo of greenhouse in bloom, mature plants after many weeks of growing and care.
After many weeks of care and worry, my little plant babies are all grown up!

FloraKansas would not be possible without volunteers. They transplant, water, sweep greenhouse isles, load and unload trucks, and so much more. I couldn’t possibly do all of those tasks by myself! And that doesn’t even include the many volunteers who help us on the days of the event, cashiering and helping customers to their cars. FloraKansas is a great time to be an Arboretum employee — surrounded by enthusiastic volunteers who support our mission, it makes the job easy. If you would like to volunteer at FloraKansas or otherwise, click here for more information.

I hope to see lots of our blog readers at the spring sale! It is a wonderful time to talk face to face with our members and supporters. Come see us soon, and pick up a few native plants while you are at it.

A Four-Season Garden

As we persevere through the winter months, I am thankful February only has 28 days. This short month seems to go on and on.  If we could get past February, then spring is right around the corner. I know there is still plenty of winter left, but by March, things begin to change.

“Thirty days hath September, April, June, and November. All the rest have thirty-one, except for February, which is cold, so make it go quick.”

– adapted from an English nursery rhyme

That is not exactly how the saying goes, but as I look out my window this cold morning, I am thankful February is short. It also makes me aware of the importance of creating a garden that can be enjoyed even in winter. A four-season garden takes planning. Here are some ideas to think about that will make your landscape more robust and interesting in all seasons of the year:

Add a variety of plants

Typically, gardens are “one hit wonders”. They excel in spring or early summer, but fade the rest of the year. This is mostly because our gardens are heavily planted with early season bloomers and short on plants with late season interest. We choose plants to include in our gardens that are blooming in the gardens centers we visit and neglect grasses and late season perennials that are not blooming yet. A four-season garden incorporates diverse varieties with staggered bloom times and textural elements.

Summer Prairie Garden

Plants out of bloom

It is natural to first notice the blooms of perennials. We all want wildflowers that look beautiful in bloom and attract a bunch of different pollinators to our gardens. However, with a four-season garden, equal importance needs to be placed on plants as they emerge in spring or after they bloom. Do these plants have interesting forms, textures, seed heads and architecture that can be highlighted or emphasized? The secret to achieving a four-season border is selecting plants that continue to provide an attractive overall shape both before and after flowering.

Coneflower seed heads and little bluestem

Create layers

Plants live in communities. Within these natural communities, all the gaps are filled, from floor to canopy. Ground covers intertwine around larger perennials, which grow up to the under story trees and shrubs. Generally, taller trees provide the backdrop to your gardens, but the layered effect can be achieved with wildflowers, grasses and a few strategically placed shrubs. Planting in layers mimics the densely planted prairies or savannas we admire. Layering plants with differing heights, textures, forms, architecture and bark is attractive any season of the year.

Summer border. Photo by Brad Guhr

Do your home work

It takes time to learn what plants grow best in your landscape. Make a conscious effort to see the gaps in your garden. Plan to add elements that provide interest at times in the year that are weaker or sparser than desired. As always, match plants to your site conditions. Many plants have multiple seasons of interest besides when they are in bloom. Learn how to incorporate these perennials.

It’s not easy being brown

Each season has a unique beauty. Winter is often overlooked but the different hues of brown along with textural elements and architecture add interest to the landscape. These subtle foliar elements are great as they move with the wind or capture snow that falls. A few focal points that stand out in the stark winter landscape can make a difference in completing your four-season garden. 

Switchgrass with snow

Winter can seem long, but that doesn’t mean you cannot enjoy your garden.  Four seasons of interest and beauty can be just a few additional plants away.  I love to see the birds eating the seeds from the wildflowers outside my window.  The grasses moving with the wind are nice, too.  I know spring is coming, but for now, I appreciate what I see.

A Garden for the Dogs

As a horticulturist and a dog lover, life can be a little ‘ruff’. I dream of a beautiful, lush landscape of gorgeous plants and well-tended lawn, but we all know how dogs wreak havoc on our outdoor spaces. Even my sweet pooch, well behaved and trained to a T, inadvertently tramples my plants and upends my #gardengoals with every enthusiastic game of frisbee.

But there is light at the end of this long, muddy, paw-printed tunnel — with some careful planning, you can love your dog and your yard.

To save my small lawn from total destruction, Rosie and I sometimes take our game of fetch to the tennis courts or a park.

Safety First

This should be a no-brainer, but bears repeating: Keep harmful chemicals and pesticides out of a dog-friendly yard! Even if you think your dog doesn’t “go over there that often”, or you are pretty sure the treatment “will dry by the time she gets there”. Remember that your doggo is in direct paw-to-ground contact with the plants and soil they walk on – not to mention the digging, rolling, and rooting around that pups do on a daily basis. Some studies show a growing link between lawn-care products and cases of canine lymphoma. So, if you or your lawn care professionals are applying ANY pesticides or herbicides, do your research and call your vet to make sure you are making a safe choice for your canine friend.

We all love our dogs and smother them in love, and your yard is part of that! Commit a little time to providing a safe and fun space for them!

Do Your Homework

It is impossible to keep straight all the poisonous and non-poisonous plants out there. Even the most well intentioned garden center clerk might get it wrong, putting your pup at risk. Check before you buy at ASPCA.org’s Poisonous Plants database. Be aware that even the most benign plants can cause problems if ingested in large quantities or if your pup has other health issues.

On the whole, plants in the mint genus (Mentha) seem to be fairly safe for dogs, including peppermint and spearmint, (but excluding Mentha pulegium.) In fact, many common herbs are safe for dogs and keep their highly evolved noses stimulated. Look for lavender, basil, rosemary, and oregano to include in your garden. Not only will these herbs freshen your pet’s breath should they choose to take a nibble, but they also attract pollinators and have lovely foliage.

As much as I love milkweed, this plant DOES NOT belong in a pet-friendly garden. Milkweed has toxic sap with cardiac glycosides in it. Keep all milkweed species far away from your pup’s nibbling snout.

Dog-Friendly Perennials

As native plants go, it gets a little more difficult to pin down exactly what is safe and what is not. Most native plants only have a toxicity rating for livestock, but with completely different digestive systems, does that rating apply to dogs as well? There are lots of online sources for toxic plant information, so all I can provide here is a short list of native and adaptable plants that DO NOT appear on those toxic plant lists and DO appear at our spring sale.

Aquilegia spp. – columbine
Agastache spp. – hummingbird mint
Callirhoe involucrata – winecups
Coreopsis spp. – tickseed
Echinops spp. – globe thistle
Glandularia canadensis – prairie verbena
Heuchera spp. – coral bells
Monarda spp. – bee balm
Oenothera macrocarpa – evening primrose
Phlox divaricata – wild blue phlox
Phlox subulata – creeping phlox

Be sure to check with your veterinarian before assuming the safety of any plant, especially if your pet is prone to grazing.

Winecups (Callirhoe involucrata) make an excellent ground cover. They love hot sun and dry conditions.
Oenothera doesn’t show up on many toxic plant lists. Its large cheery blooms and drought tolerance make it perfect for xeric gardens.

Happy Tails, Happy Trails

If your dog spends unsupervised time in the yard, you have surely found narrow, hard-packed trails devoid of vegetation. These are a dog’s version of cattle trails — a safe and quick way to get from A to B. Dogs are creatures of habit, and this one may stem from their wolf ancestors. Pro tip: DO NOT try to change the trail. It is extremely unlikely you will change his walking pattern; this deeply ingrained behavior is stronger than your desire for a perfect lawn. If you plant anything in this path your pup will tromp over it or dig it out of the way. Instead, think about hardscaping problem areas with pavers, gravel, or a charming boardwalk. A friend of mine has four huge Labradors (yes, you read that correctly) and still manages a stunningly beautiful landscape. How? By planting and planning in accordance with their flow of traffic.

As a young pup Rosie often came to work with me. Here she is staying cozy in our trusty Arboretum work truck.

How to Stop the Digging

A once beautiful garden can turn into an ankle-twisting nightmare once your pooch gets the urge to dig. Punishment often won’t deter this behavior, as it is almost impossible to catch them in the act. In some cases, this is just a phase of puppyhood and the dog will grow out of it. In others, it signals she is bored and frustrated – time for us humans to get serious about fetch, walks, and training to placate their need for interaction. Lastly, if you notice the holes seem to only show up in summer, it means Fido is just trying to find a spot to stay cool. Dogs will dig in cool, moist areas of soil to create a comfortable spot to lounge. An easy fix for this comes from landscape designer Maureen Gilmer,

“…provide them with a pit of their own where it’s more damp and cool than the flower beds. Give them sand to lie in and it won’t make mud or stains, and easily falls away from their fur. Keep the area moist and your dog will prefer that spot over all else .”

THE DOG-SCAPED YARD: Creating a Backyard Retreat for You and Your Dog

With some careful planning, your backyard can be an oasis for dogs and people alike. If you are needing a little help planning out your garden space, please call us to set up a landscape consultation. If you would like to get Fido out of the yard for a while, visit the Arboretum grounds for a long walk in the prairie. Be sure to have your pup on a leash and to clean up after her! Our grounds are open dawn to dusk, 365 days per year.