Plant Health Care

Events

Houseplant Care Class | Oregon

January 8, 2026

County

Ogle

Trees for Pollinators and Evergreen ID

January 13, 2026

Forest Health Updates and Fungal Mutualists

January 20, 2026

Construction and Urban Soils

January 27, 2026

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Blog Posts

A fungal leaf disease on maple leaves in the form of dark spots caused by the pathogen Rhytisma acerinum, tar spot

Sick plants? Rotate fungicides to prevent resistance

August 8, 2025

We have hit the other side of the precipitation pendulum. In 2023 and 2024, we experienced drought conditions. Now in 2025, the sump pump sales have...

“Plant of the Year” Picks for Your Garden

April 4, 2025

Earning a title like "Plant of the Year" is a true honor for any garden specimen. Chosen by garden and plant associations to highlight exceptional...

How plants respond to rising carbon dioxide concentrations

August 14, 2024

Plants are essential to life on earth. As primary producers, they take energy from the sun and make it available for animals, like humans. So, it...

A woman in a vest, long sleeved flannel shirt and gloves prunes a tree branch with hand clippers

Late winter tree care sets the foundation for trees to thrive

February 28, 2024

Late winter and early spring are critical transition periods for trees, making the shift from dormancy to active growth. Proper care during these...

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News Releases

View looking from the ground up into a large tree filled with lush, green leaves

December 9, 2025

Tree care expertise grows through Illinois Extension webinar series
URBANA, Ill. — Tree care isn't always led just by certified arborists, so University of Illinois Extension is ensuring that everyone has access to research-backed information on practicing proper tree care. “Trees are more than scenery,...

Far off view of two people digging with shovels to plant trees in a park setting

September 23, 2025

Explore impact of local trees at Illinois Extension fall tree planting workshops
URBANA, Ill. — Communities with healthy, viable trees are more likely to have improved air quality, reduced stress, and added personal comfort for surrounding residents, nature, and wildlife. “As we all have recently felt, Midwest summers are hot, and trees are a crucial part of our...

Green leaves of a bur oak tree on a new spring branch.

March 24, 2025

Root awakening: spring tree tips
URBANA, Ill. — As winter fades and the first signs of spring emerge, it's time to give trees the care they need to thrive. Trees, like all living things, require attention and maintenance, especially as they transition from dormancy to the growing season. Help trees recover from winter damage,...

View from the ground looking up to a tall tree filled with green leaves.

December 18, 2024

Tree series strives to teach proper care techniques to lengthen lifespan of Illinois trees
URBANA, Ill. — Trees are essential to nature’s landscape and our daily lives. Understanding and providing proper and routine maintenance is important to ensure their best life and healthier urban forest. Communities with healthy, viable trees are more likely to be impacted through improved air...

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Staff

Events

Blog Posts

News Releases

Staff

Diane Plewa

Gemini Bhalsod

Ken Johnson

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