Archives of #Ladd Arboretum

Asters and joe-pye weed at the Ladd Arboretum

Floppy prairie plants

Prairie plants are often tall and floppy—a tendency that's more obvious when they're growing in a garden. Why did they evolve this way?...
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Tony removing burdock in the Ladd Arboretum

Opening space for growth

We spend more time removing plants than adding them these days.  In a disturbed site like the banks of the North Shore Channel, invasive plants thrive. Until our newly planted native plants get the upper hand, weeding will remain one of our most tim...
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Wild geranium in bloom

Ephemeral

Mayapples have wilted in July’s heat, bringing to a close the season of spring ephemerals. In the Ladd Arboretum, prairie plants are now towering, and plants like these retreat until next spring. Top to bottom: sharp-lobed hepatica, birdfoot vi...
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Planting wildflower plugs at the Ladd Arboretum

Planting for diversity

Saturday was cool and wet, but a truckload of plants awaited, so our tough band of volunteers got to work with shovels and trowels. ...
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Cottonwood at the Ladd Arboretum

A place to chill

By mid-summer, tall trees cast cooling shade along the channel-side path through the Ladd Arboretum. Frequent visitors will recognize the big cottonwood that's just beyond the Ecology Center. ...
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Volunteers & crew after planting at the Ladd Arboretum

Pitching in on Chicago River Day

Another section of the channel banks was transformed on Saturday as the community came together to plant native trees and shrubs in front of the Ecology Center....
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Seeding under snow

Under the snow

As snow fell earlier this week, we were finishing the final step in this season’s planting: scattering a mix of seeds in bare patches along the channel banks in the Ladd Arboretum and around the Twiggs Park overlook. It was too dark to take a p...
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Beaver damage to cottonwood

Living with a beaver

The Ladd Arboretum’s resident beaver has been active this month. Volunteers have been active, too, installing fences to try to protect some vulnerable trees. On Saturday, a group of Northwestern physics and astronomy students worked on a big co...
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