Extension Search / Wisconsin

Wisconsin Extension

Cooperative Extension in Wisconsin is run by University of Wisconsin–Madison. 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 Wisconsin

Division of ExtensionLand-grant university

University of Wisconsin–Madison

County and local offices Master Gardeners Soil testing Plant and pest diagnostics

Tribal college land-grant programs in Wisconsin:

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Wisconsin Extension Advice on Common Topics

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

Soil testing: Soil testing
Tomatoes: Tomato pruning
Lawn care: Lawn care
Pruning: Tomato pruning
Vegetable gardening: Vegetable garden
Composting: DIY compost bin series
Raised beds: Raised beds and containers for community gardens
Fruit trees: Fruit tree other
Apples: Apple scab
Strawberries: Angular leaf spot strawberry
Roses: Rose rust
Aphids: Managing aphids greenhouses
Japanese beetles: Japanese beetle
Powdery mildew: Powdery mildew of wheat
Squash vine borer: Squash vine borer
Deer damage: Plants not favored deer
Weed control: Weed control
Pollinators: Pollinators importance
Tree planting: Proper tree planting techniques bb
Houseplants: Houseplant care
Garlic: Garlic mustard
Potatoes: Potato scab
Grapes: Growing grapes Wisconsin

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