Extension Search / Illinois

Illinois Extension

Cooperative Extension in Illinois is run by University of Illinois. Extension answers garden, lawn, farm and pest questions, tests soil, identifies plant problems and trains Master Gardener volunteers, mostly for free. Find your local office and services below.

Extension Programs in Illinois

University of Illinois ExtensionLand-grant university

University of Illinois

County and local offices Master Gardeners Plant and pest diagnostics

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Illinois Extension Advice on Common Topics

Pages published by Extension in Illinois. Each opens on the Extension site.

Soil testing: Soil testing
Tomatoes: Preparing tomatoes
Lawn care: Lawn care
Pruning: Pruning fruit tree
Vegetable gardening: Vegetable gardening
Composting: Manure composting
Fruit trees: Fruit trees
Apples: Apple scab
Strawberries: Barren strawberry
Roses: Lenten rose
Japanese beetles: Japanese beetle
Powdery mildew: Powdery mildew
Squash vine borer: Squash vine borer
Deer damage: Deer tongue grass
Weed control: Butterfly weed
Native plants: Native plants
Pollinators: Pollinator habitat
Backyard chickens: Thermal perches poultry
Tree planting: Tree planting safety
Garlic: Invasive garlic mustard
Potatoes: Sweet potato
Grapes: Pruning and training grape vines

Search more Extension pages from Illinois and other states.

Extension in Other States

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