Native plants

Tropical Milkweed with bees and a fly on it.

Tropical milkweed could threaten monarchs

The Garden Scoop
As interest in planting milkweed has grown among gardeners focused on supporting Monarch butterfly populations, many of us have been watching garden centers for milkweed plants.  This interest has sparked demand for easy-to-propagate milkweed species that can offer maximum garden beauty with a long...
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Yellow flowers on a eastern prickly pear cactus

Prickly Pears bloom for pollinators

The Garden Scoop
I am always amazed at the diversity of native species our state hosts from top to bottom.  All in all, Illinois spans three USDA cold hardiness zones which illustrates the difference in climate from our northern counties to the southern confluence of the Ohio and Mississippi rivers.  In total,...
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A picture of two blooms of wild columbine

Using wild columbine at home

The Garden Scoop
During the flowering lull of late spring in my home gardens, I often admire the unique, dangling blooms of our native wild columbine (Aquilegia canadensis).  This plant occurs in nearly every county of Illinois and its native range spans the Eastern US, from Florida and Texas to Canada. ...
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redbud flower

Spring flowering trees and shrubs

The Garden Scoop
Signs of spring are beginning to pop up if you look close enough.  In the last week or so, I’ve noticed harbinger of spring (Erigenia bulbosa) and spring beauties (Claytonia virginica) in natural areas. The beginnings of Virginia bluebells can also be found as their distinctly...
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Prairie Establishment at ClarkLindsey

On a sunny and cold day in early February, some Urbana residents helped to spread handfuls of native prairie seed on the ground.  Using tools as simple as a paper cup or their bare hands, the seeds were broadcast into the air, falling silently to the ground.  As these seeds are exposed to rain, sun...
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U.S. Native Tree Checklist

Across the United States, our urban and natural forest ecosystems support a wide range of both flora and fauna. Trees are certainly the center of these plant communities and remain the most symbolic and recognized plant life on the landscape. Have you ever wondered exactly how many native species...
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Native Perennials with Winter Interest

As fall progresses and most plants lose their leaves or retreat to their winter dormancy, portions of the landscape can appear bare and boring for winter.  Evergreens and woody plants are commonly considered the best specimens for winter interested, providing structure throughout the seasons to...
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History of Joe-Pye Weed

One of my favorite plants of the late summer is the tall and tasseled titan, Joe-Pye Weed.  This common name refers to several native species which often require an additional descriptive word to identify individuals, although many of us drop the descriptor and simply say “Joe-Pye Weed”.  To...
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Goldenrods and asters provide some of the showiest flowers of fall, but can be aggressive in gardens if not planted appropriately.

Goldenrods and asters are the stars of fall

This past week was the fall equinox which marks the beginning of the fall season. With the cooler weather in recent days, it has really started to feel like the time of changing leaves and brilliant autumn colors. While most of us are thinking of tree color this time of year, there are some...
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Conservation Status of the Monarch Butterfly

Earlier this summer the monarch butterfly was in the news as the International Union for Conservation of Nature (IUCN) designated the migratory species as “Endangered” on its Red List of Threatened Species.  This announcement sparked some misunderstanding as many confused the IUCN Red List with the...
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False Indigo - A Native Shrub for the Home Landscape

Native plants are ever gaining popularity as gardeners seek specimens with high ecological value in support of declining insect pollinator populations.  Among the almost 2,300 plant species known to be native in Illinois, our native shrubs are often overlooked and underappreciated in the landscape...
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Sedges for the Landscape

Noteworthy plants in natural areas can be the superstars of landscaping when gardeners learn to harness their natural tendencies and display their most virtuous attributes.  One group of plants that I have often underestimated are sedges (Carex spp.).  These tough native perennials have a...
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bamboo

Illinois' Only Native Bamboo Species

On a recent trip to southern Illinois I couldn’t help but notice an incredibly unique native plant whose evergreen foliage is reminiscent of something from the tropics, making it seem so out of place in the winter landscape of Illinois. Giant cane (Arundinaria gigantea)...
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monarch

New Research Assesses the Value of Urban Pollinator Gardens

In recent years, gardeners have become increasingly interested in maximizing the benefits their garden spaces can provide for pollinating insects.  We know that these important insect friends are struggling with declining populations reported by research from around the globe, which had put...
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Leaf

How accurate are photo-based plant identification apps?

Plant identification can be incredibly challenging for beginning botanists or even experienced plant people. There are tons of terms to learn and understand just to start identifying plants by leaves and other plant parts. Throw in a leafless winter, and it makes for a difficult skill to develop...
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Deicing

Deicing Salts and Plant Damage

While this winter has brought little ice and snow cover, this past weekend’s winter weather put a coating of ice on most smooth surfaces.  Gardeners, businesses, parks and others with landscaping near walkways must apply deicing salts for safety, but these products can harm plant life.  Deicing...
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The star shaped flowers of New England aster provide a much needed floral resource for migrating pollinators, like the monarch butterfly.

Fall Flowering Asters

Fall flowers are some of the best of the year since they take a whole season of waiting to finally display their splendor.  Beyond their beauty, they provide a valuable food source for pollinators late in the growing, which can be especially important for migrating species such as the monarch...
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Smooth sumac is a commonly occurring native plant that boasts a spectacular fall display of fiery red leaves.

Native Shrubs for Fall

Shrubs are often overlooked in autumn, typically playing second fiddle to overtopping shade trees that steal the fall display.  However, quite a few deciduous shrubs have spectacular fall color to offer in the landscape.  In many settings these smaller woody plants can help provide eye-level fall...
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Roadside plantings of pollinator habitat can present some risk of insect mortality from passing traffic, but the benefits outweigh the risks. Photo Credit: Jeff Kohmstedt, Prairie Rivers Network

Pollinators and Roadways

Amid all the pollinator conservation efforts in recent years, many gardeners have transitioned areas of lawn and other uses to vibrant pollinator gardens.  As homeowners search for new spaces to install pollinator habitat, many have questions about how and where to place these important oases of...
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Common milkweed in bloom

Aphids on Milkweed

Many gardeners are starting to integrate more and more milkweed into their landscaping in support of monarch butterflies.  Plants in the milkweed genius (Asclepius) are the exclusive food source for monarch caterpillars, making them incredibly important in the race to sustain imperiled...
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This purple coneflower is infected with aster yellows, which produce odd and deformed flowers that can actually be interestingly attractive at times, but must be controlled to limit infection of other susceptible species in the landscape.

Aster Yellows on Coneflower

It is always interesting to observe plant diseases and try to unravel the mystery of how a particular plant became infected and to look toward solutions.  So many of these ailments have an incredibly fascinating path to infection, often including multiple species when you consider the pathogen,...
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Two-spotted bumble bee on a spirea flower

Celebrate Pollinator Week by Growing Native Plants

This week, June 21-27, 2021, is National Pollinator’s Week, which is a time set aside by congress to honor and appreciate the amazing process of pollination. Governors in all 50 states have also acknowledged this special week by making their own proclamations to recognize pollinators in their...
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‘Forest Pansy’ is a cultivar of our native redbud that offers unique purple foliage.

Adding purple shade trees to your landscape

The ornamental value of landscape trees can be weighed by a variety of attributes, from interesting bark in the wintertime or colorful blooms in spring to the character of leaves that persists during the growing season. However, the foliage that embellishes branches to create a summertime canopy of...
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Redbud is a fantastic spring-flowering tree offering the best floral display of any Illinois native tree.

The top four spring-flowering trees to plant

Spring is a time of abundant blooms as well as one of the best times of year to establish new woody plants in your landscape. This year, consider adding one, or all, of my favorite Illinois native spring-flowering trees to your landscape, and you’ll enjoy spring floral displays for years to come...
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Tread lightly as the hunt begins for morel mushrooms

Every spring, a group of enthusiastic woodland hunters frequent forests across Illinois in search of a mysterious and elusive fungi – the morel. Many are armed with years of practical knowledge and experience to inform the success of their hunt. Many, like me, simply get lucky by stumbling upon...
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Standing dead stems are important overwintering habitat that should not be removed from the garden until insects emerge later in spring.

Spring Garden Cleanup

This past week’s warmer weather has been an exhilarating blast of spring when contrasted with the icy, extreme cold just one week earlier.  The warmup has spurred many of us to get back out in the garden to start getting ready for spring.  While our landscape beds and gardens will be places of...
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River birch is a native tree with excellent winter appeal from its beautiful, exfoliating bark.

River Birch

The snow-blanketed wintertime landscape often lacks the beauty we can recall from other times of the year when plants were in bloom or filled with wonderful green foliage.  It leaves both humans and wildlife searching for plant life that retains interest either in the form of ornamental beauty for...
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Gymnosperms, like this Colorado blue spruce, are a group of nonflowering plants that emerged several hundred million years before flowering plants (angiosperms) entered the evolutionary history of the plant kingdom.

Angiosperms vs Gymnosperms

The plant kingdom has not always had the diversity we know today.  It has taken hundreds of millions of years of evolution to bring about the diverse, complex group of flowering plants known as angiosperms.  And for many millions of years prior to the emergence of angiosperms, the plant kingdom...
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What's in a Name?

Plant names provide the botanical vocabulary we use to describe the plant world to each other.  They are important descriptors that facilitate both backyard gardening and scientific study by establishing a widely agreed upon naming convention of species.  In our current system of plant language,...
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Native butterfly milkweed is a favorite among gardens for its beautiful flowering display and high wildlife value, but native plants are a surprising minority of plant material available for purchase each year in the US.

Natives and Landscape Plant Selection

Native plants are becoming a larger part of our built environment each year as more and more gardeners begin to recognize their value. Natives support local ecosystems and wildlife habitat in ways that are increasingly important as our human footprint on the landscape grows.  From professionals to...
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Metal hardware cloth is a great material to protect young trees and shrubs from winter browsing wildlife.

Winter Protection for Newly Planted Trees and Shrubs

Fall is an excellent time to add new trees or shrubs to the landscape and many of us have already taken advantage of mild weather and sunny days to get new plants in the ground.  With the lion’s share of work complete after digging, planting and mulching are finished, we often overlook some of the...
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Honey locust can have large and terrifying thorns making it one of our spookiest native trees.

Top Four Spookiest Native Trees

Images of witches, skeletons, and other specter abound this time of year.  But we really don’t need to look much beyond the natural world for a dose of spooky entertainment? This week, I’ve compiled my list of the top four spookiest native trees that all offer some great Halloween-related...
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Solidago rugosa ‘Fireworks’ is a cultivar of our native wrinkle-leaved goldenrod that provides a spectacular display of fireworks-like flowers for up to 2 months in late summer and fall.

Goldenrods for Landscaping

For many gardeners, an entire season of continuously blooming plants is a primary goal.  Not only do these fantastic flowers deliver ornate beauty throughout the year, but they are also greatly beneficial to pollinators by providing a continuous food source of pollen and nectar.  Since many plants...
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Bald cypress is an Illinois native plant only know to occur in extreme southern Illinois. While it does wonderfully when planted here is central Illinois, should it be considered native?

How Native is Native?

The term native often means different things to different people.  Most definitions draw a line between geography and time scale which typically is demarcated by the point of human intervention or influence on the landscape. I really like this definition from the Forest Service in 2012, “A native...
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This two-spotted bumble bee forages pollen on the flower of a spirea shrub

Early History of Pollinators and Plants

This past week was National Pollinator Week, a time set aside to celebrate the amazing and monumental task that pollinators perform each and every growing season.  Worldwide, animals pollinate about seventy-five percent of all plant species, and about ninety percent of all flowering plants.  And we...
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These young prairie dropseed plants will mature into a nice sidewalk border of thin, feathery vegetation.

Landscaping with native grasses

Nothing beats the light and airy look of tall, distinctive grasses in a landscape arrangement. The fluffy seedheads and slender, and attractive stems practically dance in the wind on breezy days, adding texture as well as a structural element to any landscape bed.    For many years, there was a...
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Sycamores across central Illinois are late to leaf out this year due to a commonly occurring fungal infection.

Sycamores and Anthracnose

It has been another difficult spring for sycamore trees across central Illinois as near bare canopies of this tree stick out among the fully developed leaves of neighboring trees.  However, this doesn’t necessarily spell doom for your sickly looking sycamore.  It’s all caused by naturally occurring...
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Garlic mustard is in full bloom right now with clusters of tiny white flowers and distinctive leaves that have a garlic-like aroma when crushed.

Invasive Species

Invasive species can be characterized as any non-native species that is introduced to a new location, has the ability to spread and causes some kind of harm.   Across Illinois and around the globe, invasive species cause significant ecological and economic damage each year.  In the ever globalizing...
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Bluebells are a beautiful native wildflower that adds a splash of blueish-purple to both woodlands and landscape gardens in spring.

Virginia Bluebells

We all have our favorite spring wildflowers for one reason or another. Maybe they are part of a native plant community we visit often, such as a close-by natural area or favorite park trail?  Perhaps our preference comes from the plants we are able to cultivate at home, in our own gardens?  For me...
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Ash trees have a distinctive, opposite branch arrangement observable by twigs that occur directly across from each other on each stem.

The basics of tree identification: branches, buds, and fruit

Trees represent some of the most long-lived vegetation in the landscape. As such, these perennial, woody plants are also some of the highest valued plant material in our yards, parks, and urban areas. Tree identification is an important first step in understanding the care of these invaluable...
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Photo Credit: Teresa Dewitt

Harbinger of Spring

Warming spring weather is often enough motivation to get many of us out looking for the first blooms of the growing season.  In my home garden, snow crocus (Crocus sieberi) is about the only plant that has started to show life over recent days, reaching full bloom sometime earlier this week.  If...
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The yellow lady’s slipper orchid is an Illinois native that can be grown in cultivation. Photo credit: Chris Benda.

Mysterious Orchids

Over the past 200 years or so, orchids have went from a mysterious and challenging plant, barely sustained in cultivation, to a fixture in many homes and businesses. Today, easy-care varieties of these beautiful flowering houseplants can be purchased just about anywhere, including the supermarket...
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Chinese witch hazel blooms during the late winter to early spring with a flowering display that often lasts over a month.

Witch Hazel

The late winter is often a time of anticipation for spring flowering, when many gardeners watch for the first signs of early blooming bulbs.  However, one unique woody plant is currently in full bloom putting on the first flower display of spring in the Illinois landscape.  Witch hazel is the...
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burning bush

Burning Bush

This past week, the vivid red leaves of our native maples have really stolen the show, reaching near peak fall color for the year.  I have always loved the brilliant red colors of autumn leaves, making burning bush (Euyonomous alata) an old favorite of mine. However, in recent decades this...
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Master Naturalists at Meadowbrook

On a beautiful, fall-like morning last week, a group of East Central Illinois Master Naturalists met around the tailgate of a truck at Meadowbrook Park in Urbana.  Everyone was handed a pair of hand pruners and a few paper bags before heading out into the Meadowbrook prairies. Urbana Park District...
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Sunflowers

In the last few years, my wife has added sunflowers (Helianthus annuus) to various locations in our landscaping and vegetable garden as an impromptu filler where we had unused space or an empty spot from something that didn’t make it through the winter.  The towering plants adorned with...
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Butterfly milkweed is the only Illinois milkweed with orange flowers, which provide a showy display each summer, often blooming a second time around early

Illinois has an Abundance of Milkweeds

In recent years, milkweeds have gained attention from the public due to their exclusive relationship with the imperiled monarch butterfly. I think many of us are familiar with common milkweed (Asclepius syriaca), which reminds me of childhood leaf picking experiments to see the characteristic sap...
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Buttonbush

I always love it when a particular plant that I know from the natural world doubles as a landscape plant.  Not everything that is beautiful in nature can handle what we throw at it in human landscapes, some native plants are just too sensitive.  However, one old favorite of mine from wetland...
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Eastern Prairie Fringed Orchid

The eastern prairie fringed orchid (Platanthera leucophaea) is perhaps one of the most beautiful native prairie flowers in Illinois.  Its delicately fringed, white flowers gently unfurl from the bottom to the top of its inflorescence over a 7-10 day period during late June and early July in...
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Native Plants and Biodiversity

A startling report on global biodiversity was release by the United Nations this week noting an alarming trend in worldwide species extinction.  We, humans were pegged as the primary cause of an increase in extinction rates to the highest levels in human history.  Specifically, around 25% of the...
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Climate Change and USDA Plant Hardiness Zones Part Three

The Fourth National Climate Assessment was released last fall in two volumes, containing information about how climate change is affecting the physical earth system across the US and a detailed assessment of how those changes now, and in the future, will impact our country.  The report documents...
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Bird Migration and Native Shrubs

Autumn is not only a time of brilliant fall colors, but also a time to observe the annual bird migration that spans our continent.  Many of our feathered friends travel amazingly great distances to reach warmer climates with abundant food for winter.  This lengthy journey spans thousands of miles,...
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Fall Color in Native Grasses and Their Ornamental Uses

Most of us think of tree leaves when we think about beautiful fall foliage, but many ornamental grasses provide wonderful fall color that often extends well into the winter season.  Right now is an excellent time to observe these grasses in the landscape and consider how we might integrate them...
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American Ginseng

This week marks the half way point for the 2018 Illinois Ginseng Harvesting Season, which runs from the first Saturday in September through Nov 1.  Did you even know that ginseng grows in Illinois, let alone the fact that there is a regulated harvest of this valuable native plant?  American...
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Poison ivy can be tricky to identify in the field, but the “mitten-like” appearance of leaflets that develop a rounded tooth, as pictured here, is a distinguishing feature.

Poison Ivy

Among the plants that grow in the Illinois landscape, poison ivy (Toxicodendron radicans) is perhaps the most notorious.  This plant is certainly well known by name among most gardeners, nature goers and outdoor folks, but many are unable to identify it correctly in the field.  The result...
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The Headwaters Invasive Plants Partnership

Visitors to the downtown Champaign area last month may have noticed an odd addition to the One Main Development landscaping.  Over the course of May, an increasing number of mysterious white trees appeared out of nowhere.  Who placed these ghost trees?  Where did they come from? The stark colored...
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Gardening with Natives

Native plants are typically defined as vegetation growing wild in an undisturbed area at the time that scientific records began.  Specific climate, soils and other environmental factors, define a plants native range.  Our area is fortunate enough to have a large diversity of both prairie and forest...
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