Trees

Events

Abiotic and Biotic Stressors

February 26, 2025

Pruning: Technique and Timing

February 27, 2025

County

DuPage

Kane

Kendall

2025 Tri-State Forest Stewardship Conference

March 1, 2025

County

JoDaviess

Root Awakening: Spring Tree Tips

March 4, 2025

More Events

Blog Posts

Growing inspiration: mocha mousse hues in the garden

February 7, 2025

Each year, a variety of establishments attempt to make news by predicting annual garden trends. I’m conflicted over these reports because, on the one...

How does cold weather affect garden plants?

January 24, 2025

As cold weather sets in, we often find ourselves retreating indoors where it is warm. However, our landscape plants can't do this, and during...

A grove of silver maple trees in a flood plain.

Why Some Plants Thrive While Others Struggle: The Role of Soil, Climate, and Competition

January 6, 2025

Plant competition is an instrumental part of natural ecosystems, with winners and losers in all cases. Still, it is really fascinating to consider...

The stubborn beauty of oak leaves: marcescence explained

December 6, 2024

Three of my most prized trees are the oaks we planted in our front yard shortly after we moved. They share our front yard with a black gum (Nyssa...

More Blogs

News Releases

A man pours sap from a metal pot to another container outside

February 11, 2025

Maple syrup season is a short, sweet window of opportunity for tapping into trees
SIMPSON, Ill. — Maple syrup is a one-ingredient food. Only one thing goes into making it: the sap of maple trees collected in early spring. Every year in late January, the University of Illinois Extension...

invasive glossy buckthorn in bloom in forest

February 4, 2025

Forest landowner motivation to control invasive species depends on land use, study shows
URBANA, Ill. — Many U.S. forests are privately owned, particularly in the Eastern and North Central part of the country. This makes control of invasive plants and pests challenging because efforts must be coordinated across landowners. A...

Tree with blue and green branches and leaves.

January 30, 2025

Join the Mad Botanist at Gardening Insights 2025
DECATUR, Ill. — Get ready to cultivate your knowledge at University of Illinois Extension's Gardening Insights 2025 hosted by the Macon County Master Gardeners. Registration is now open for this half-day event...

women discussing seeds with seed packets on table

January 16, 2025

Squash the winter doldrums and grow gardening skills with University of Illinois Extension
ST. CHARLES, Ill. – Fight the gardening blues and get a jump on spring with a variety of low-cost or free winter events hosted by University of Illinois Extension of DuPage, Kane, and Kendall counties.Seed Swap events in each countyCelebrate National Seed Swap Day...

More News

Videos

Be Safe When Trimming Trees Near Power Lines

Trees and power lines often find themselves mingling together causing safety concerns and requiring a utility’s attention. Oftentimes people aren’t happy about what has to happen next. From funny shaped trees to proper trimming techniques to picking out the right tree to plant around lines, this...

Invasive Plants and Fire: Increasers, Decreasers, and Management Strategies

Invasive plants have variable responses to fire depending on species, phenology at time of fire, fire intensities, residence time, and other factors. This presentation by Extension Forestry Research Technician Kevin Rohling reviews invasive plant responses to fire and how managers and landowners...