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Blooming callery pear tree

The harsh reality of the Bradford Pear

These few weeks in April bring an onslaught of spectacular spring colors from blooming tree and shrub species. As many forsythia, quince, and magnolia blooms fade and leaves appear, some redbuds, dogwoods, and crabapples are just beginning their performance. A very common spring flowering tree...
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Callery Pear on forest edge - Photo by Chris Evans, University of Illinois Extension

A certain air around Callery Pear

Do you see those beautiful white flowering trees lining the streets and backyards? These delicate white blossoms, made brighter by the months of winter endured, are actually an environmental hazard to the Illinois wilds. Callery Pear season is upon us. It’s actually ...
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This young red maple could benefit from corrective pruning to establish a central leader that is free of competition from adjacent limbs.

Shade Tree Pruning

Wintertime offers few activities out in the garden, other than filling bird feeders and carefully watching dormant plants for any sign of awakening as spring nears.  However, winter dormancy is the ideal time to prune woody plants.  With trees and shrubs inactive in their winter slumber,...
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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...
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diagram of branch bark ridge and branch bark collar

Tree pruning tips for 2021

Like a scene from an old western: with a pair of sterilized pruners, and her boots, horticulturists Kelly Allsup walks up to the newly planted English White oak hybrid. Her sole intent of increasing the life of an urban tree. She walks around...
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loppers cutting a tree branch

Proper Pruning of Trees

Trees in the landscape can be easily overlooked for the all the benefits they provide us whether that be casting shade on a warm, summer day, housing our feathered, birds friends, or adding a touch of color to our lawns. According to the Council of Tree and Landscape Appraisers, trees on a property...
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College of Agricultural, Consumer & Environmental Sciences Illinois Extension

101 Mumford Hall (MC-710)

1301 W. Gregory Dr.

Urbana, IL 61801

Email: extension@illinois.edu

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