Landscaping for wildlife with native plants

May 07, 2015
 
Monarch Butterfly Caterpillar on a branch

Monarch Butterfly Caterpillar

Rob Kanter

On Saturday, the local land conservation group Grand Prairie Friends will conduct a sale of native prairie and woodland plants at Lincoln Square in Urbana. This sale represents the best opportunity of the year for residents of east central Illinois to get their hands on a wide assortment of native plants at very reasonable prices—and to support broader conservation efforts at the same time. The sale starts at 8:00 Saturday morning and runs until noon.

At last year’s sale, patrons were crazy for milkweed and nearly 1,400 milkweed seedlings were sold. Why all the milkweed?  It’s the only genus of plants on which the caterpillars of monarch butterflies feed and develop. Knowing that monarch populations are in trouble, people here and across the country are doing what they can to create monarch havens in their own back yards.

In this, I sense an opportunity.

That’s because I think people who are willing to plant milkweed for monarchs might also be persuaded to favor wildlife more generally as they decide what to plant in their yards. That is, they might also be persuaded to plant native shrubs, such as New Jersey tea (Ceanothus americanus) or buttonbush (Cephalanthus occidentalis), instead of alien butterfly bushes, and to plant native oak and crabapple trees rather than their exotic cousins.

Unlike conservation efforts that take time to mature, landscaping with native plants can provide short-term gratification. (I found the first monarch caterpillar on the orange butterfly milkweed I planted last year after only eight weeks.) In addition, landscaping with native plants produces enduring good. My milkweed will come up again year after year and support generation after generation of monarchs, all with little or no effort on my part.

The impact of planting native shrubs and trees can be even greater.

Consider a white oak tree planted in the right place. After keeping it watered for the first year or two, the person who plants it can walk away with some confidence the tree will outlive her, and perhaps her children. Over that time, the white oak will support the caterpillars of as many as 500 species of moths and butterflies, which, in turn, will serve as food for dozens of species of birds. Among those will be warblers, the tiny, quick, colorful favorites of birders. The warblers we see in east central Illinois, winter in Central and South America and then migrate to or through the Midwest in spring, and they depend entirely on insects for food.

 
Rob Kanter

My understanding of the importance of landscaping with native plants comes from Douglas Tallamy, currently professor and chair of the department of entomology and wildlife ecology at the University of Delaware at Newark. In the book, Bringing Nature Home: How You Can Sustain Wildlife with Native Plants, he explains that we’re mistaken to think we can support healthy wildlife populations by means of the relatively small amounts of public land set aside for that purpose.

“As far as our wildlife is concerned,” he writes, “we have shrunk the continental United States to 1/20th its original size.” A straightforward ecological calculation tells us that little fragment will support only 5% of the species that were found here when Europeans first arrived.

Thus it is not just helpful but necessary to begin remaking our urban and suburban landscapes with native plants if we hope to slow current trends toward extinction in wildlife.

Print resources

Bringing Nature Home: How You Can Sustain Wildlife with Native Plants by Douglas W. Tallamy, Timber Press.
http://www.bringingnaturehome.net/

“Native Plants in the Home Landscape for the Upper Midwest.” Keith Gerard Nowakowski. University of Illinois Extension.
https://pubsplus.illinois.edu/C1381.html

Some further sources for native plants:

Possibility Place Nursery
http://www.possibilityplace.com/

Prairie Moon Nursery
http://www.prairiemoon.com/

Midwest Agriculture and Restoration Services
http://midwest-ars.com/plants/
 

On Saturday, the local land conservation group Grand Prairie Friends will conduct a sale of native prairie and woodland plants at Lincoln Square in Urbana. This sale represents the best opportunity of the year for residents of east central Illinois to get their hands on a wide assortment of native plants at very reasonable prices—and to support broader conservation efforts at the same time. The sale starts at 8:00 Saturday morning and runs until noon.

At last year’s sale, patrons were crazy for milkweed and nearly 1,400 milkweed seedlings were sold. Why all the milkweed?  It’s the only genus of plants on which the caterpillars of monarch butterflies feed and develop. Knowing that monarch populations are in trouble, people here and across the country are doing what they can to create monarch havens in their own back yards.

In this, I sense an opportunity.

That’s because I think people who are willing to plant milkweed for monarchs might also be persuaded to favor wildlife more generally as they decide what to plant in their yards. That is, they might also be persuaded to plant native shrubs, such as New Jersey tea (Ceanothus americanus) or buttonbush (Cephalanthus occidentalis), instead of alien butterfly bushes, and to plant native oak and crabapple trees rather than their exotic cousins.

Unlike conservation efforts that take time to mature, landscaping with native plants can provide short-term gratification. (I found the first monarch caterpillar on the orange butterfly milkweed I planted last year after only eight weeks.) In addition, landscaping with native plants produces enduring good. My milkweed will come up again year after year and support generation after generation of monarchs, all with little or no effort on my part.

The impact of planting native shrubs and trees can be even greater.

Consider a white oak tree planted in the right place. After keeping it watered for the first year or two, the person who plants it can walk away with some confidence the tree will outlive her, and perhaps her children. Over that time, the white oak will support the caterpillars of as many as 500 species of moths and butterflies, which, in turn, will serve as food for dozens of species of birds. Among those will be warblers, the tiny, quick, colorful favorites of birders. The warblers we see in east central Illinois, winter in Central and South America and then migrate to or through the Midwest in spring, and they depend entirely on insects for food.

My understanding of the importance of landscaping with native plants comes from Douglas Tallamy, currently professor and chair of the department of entomology and wildlife ecology at the University of Delaware at Newark. In the book, Bringing Nature Home: How You Can Sustain Wildlife with Native Plants, he explains that we’re mistaken to think we can support healthy wildlife populations by means of the relatively small amounts of public land set aside for that purpose.

“As far as our wildlife is concerned,” he writes, “we have shrunk the continental United States to 1/20th its original size.” A straightforward ecological calculation tells us that little fragment will support only 5% of the species that were found here when Europeans first arrived.

Thus it is not just helpful but necessary to begin remaking our urban and suburban landscapes with native plants if we hope to slow current trends toward extinction in wildlife.

Print resources

Bringing Nature Home: How You Can Sustain Wildlife with Native Plants by Douglas W. Tallamy, Timber Press.
http://www.bringingnaturehome.net/

“Native Plants in the Home Landscape for the Upper Midwest.” Keith Gerard Nowakowski. University of Illinois Extension.
https://pubsplus.illinois.edu/C1381.html

Some further sources for native plants

Possibility Place Nursery
http://www.possibilityplace.com/

Prairie Moon Nursery
http://www.prairiemoon.com/

Midwest Agriculture and Restoration Services
http://midwest-ars.com/plants/
They will be selling a selection of prairie plants at the Tuesday farmer’s market in Champaign beginning on May 12.

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