Skip to main content
University of Illinois
Urbana‐Champaign
University of Illinois Extension
Illinois Extension
Make a Gift
search
Mobile navigation
search
Group menus
Who We Are
Where We Serve
Our Programs
News & Events
Volunteer
Contact
Plant disease
Events
(1)
Spring into Gardening 2023
Sat, 02/25/2023 - 12:00
Broadway Christian Church
Read More
Blog Posts
(43)
What’s the real deal with cover crops and SCN?
Read More
Manage brown rot of peaches and other stone fruit in the garden
Read More
Corn tar spot disease monitoring in Illinois
Read More
You don’t know what you have till it’s gone
Read More
Breeding elms to combat Dutch elm disease
Read More
How to get fruit plants ready for winter: Start preparing for a successful harvest
Read More
Garden tips to transition to fall
Read More
Aster Yellows on Coneflower
Read More
What's wrong with my lilac? Summer foliar diseases on lilac
Read More
Protect apple foliage and fruit with a spray schedule
Read More
Don’t lose your crabapple and apple foliage
Read More
Manage pests and disease in home orchards
Read More
Kissing under the mistletoe – A holiday favorite with a dark side
Read More
Dealing with plant pandemics
Read More
Crop disease forecast for 2021
Read More
Emerald Ash Borer and Other Species Eliminating Pests or Pathogens
Read More
Black Walnut
Read More
Sycamores
Read More
Gardening with Natives
Read More
Idea Garden Tropicals on the Move
Read More
Weather influences foliar disease
Read More
Should we paint tree wounds?
Read More
Why are some plants’ leaves white now?
Read More
Bacterial Leaf Scorch Infecting Illinois Oaks
Read More
How plants and pests begin preparing for fall
Read More
Late summer questions to the Master Gardeners
Read More
Tomato Care
Read More
Virtual Field Days Coming to a Screen Near You
Read More
Plant Pathogen Spread
Read More
Top 5 early summer topics for gardeners
Read More
Too Much Moisture, More Tree Problems
Read More
Sycamores and Anthracnose
Read More
It's time to think about corn nematodes
Read More
Two trees you should never plant in Illinois - Colorado blue spruce and Callary Pear
Read More
Trouble(s) with Cucurbits
Read More
Spring clean-up from another perspective
Read More
Trouble(s) with Tomatoes
Read More
Sick plants? No problem! UIUC Plant Clinic still open!
Read More
Peach Leaf Curl
Read More
Opportunities for on-farm research in 2020 with University of Illinois
Read More
Rapid Response to Ramorum Blight
Read More
Training your Apple Tree
Read More
Scouting in the Garden
Read More
News Releases
(10)
Holiday favorite gourd is good to go for 2022
Read More
Guide outlines steps to take when pesticide drift occurs
Read More
Six ways to keep your hosta foliage looking great
Read More
Extension offers best gardening tips for fall season
Read More
Backyard landscape or garden got you stumped? Request advice from Master Gardeners
Read More
Become a U of I Extension Master Gardener
Read More
Keep houseplants happy with simple solutions
Read More
When to worry about needle drop on white pine trees
Read More
Unsightly black spots on maple leaves won’t harm trees
Read More
Emergence of downy mildew threatens Illinois basil crop
Read More
Staff
(2)
Ken Johnson
Horticulture Educator
Read More
Diane Plewa
Plant Diagnostic Outreach Specialist
Read More