Trees Blogs

This rhododendron shoot is infected with the pathogen Phytopthora ramorum, displaying the typical symptoms of ramorum blight. PC UI Plant Clinic

Rapid Response to Ramorum Blight

In early July, the Illinois Department of Agriculture submitted a press release detailing the detection of a new pathogen in Illinois that threatens our native oaks. This non-native pathogen is the causal agent for a very serious disease known as sudden oak death. However, there may be some good...
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Hackberry Gall

The Garden Scoop
As you might imagine, my family spends a considerable amount of time out observing the wonders of the natural world, and I am always fascinated by the way my kids view and interpret things in nature. Many times, their straightforward and simple perspective makes me feel like such a dummy. There is...
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Garden Storm Damage

Imagine spending years establishing and cultivating a beautiful landscape on your property, only for it to be destroyed in a heartbeat from a severe storm.  Couple that with a limb through your roof and you have a real disaster on your hands!  Who do you call?  What do you do about...
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Maple Seed Production

What kid doesn’t love those maple ‘helicopters’?  I grew up with two large silver maples (Acer saccharinum) in our yard and can always remember the late spring ritual of playing with one of the best toys ever produced by nature, the maple samara.  These winged seeds rapidly go...
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Apple trees in our area are in full bloom this week. Unlike peach trees which suffered cold damage, many apple trees in central Illinois seem to have endured.

Fruit Trees and Winter Injury

Winter injury is a common problem among fruit trees grown in our area and this year’s up and down spring temperatures resulted in damage to flower buds across central Illinois.  Cold weather in some years can bring damage to many ornamental tree species as well, impacting much anticipated...
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This picture shows the sprawling osage orange tree at the corner of Prospect and University Ave. in Champaign in Trevett-Finch Park.

Osage Orange

In many communities there are iconic trees that nearly everyone recognizes and admires in passing during daily life.  The spreading, stately tree at the corner of University and Prospect Avenue in Champaign is certainly a historic and interesting specimen.  I cannot count the times that...
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2019 Gardening Goals

Winter is an excellent time for reflection on the past year’s growing season and any gardening successes or failures to account for next year.  In this season of multitudes of seed catalog mailings, I have found it to be an ideal time to set gardening goals for the coming year during the down...
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Ice Storms and Tree Damage

Historically, our part of Illinois has been more prone to ice storms than the northern or southern part of the state.  Based on over 50 years of weather data from the Illinois State Water Survey, our area of Illinois (including Springfield, Bloomington and Champaign) is likely to have an...
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Tree Bark

Winter time is somewhat of a downtime for deciduous trees.  After a growing season’s worth of beautiful foliage, culminating in the wonderful fall display of color, woody plants enter the long, cold season of dormancy that is part of their annual life.  For many of us, this is not a time...
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