2024 Q&A Series:
Gardening and Landscape Questions

Register for the upcoming Q&A series to get all of your questions answered!


Free Online Gardening Programs

Suitable for gardeners of all skill levels and watchable on mobile, tablet, and desktop devices.


Growing and Caring for Plants in Wisconsin: Foundations in Gardening

Registration for the Fall 2024 course opens July 15, 2024!

In the meantime, stay informed about all our offerings, including announcements about this course. Join our mailing list to receive reminders about courses, webinars, and more!

Growing and Caring for Plants in Wisconsin: Foundations in Gardening is an online introductory course where you learn key concepts for selecting, growing, and maintaining plants – from trees to houseplants to vegetables and everything in between!


New to Gardening?

Gardening and learning to grow your own food provides many benefits, but we know it can be a bit intimidating when first starting out.
Check out our
New Gardener Resources to get your Wisconsin garden started quickly and easily.


Latest Horticulture News

Now is a great time to fixing dead spots in lawns

As lawns wake up from winter and start greening up, many of us are seeing spots where the grass has died over the winter. To repair larger areas of damaged grass, it is best to work up the soil and re-seed.

Photo of purple Flowers

Smart Shopping: Dodging Disease When Purchasing Plants

May is a prime time to visit your local greenhouse, nursery or garden center to buy annuals, perennials and vegetables for your home garden. Unfortunately, these plants can be carriers of plant disease-causing organisms. Here are some pointers on what to look for when buying plants.

Spring is Tick Season in Wisconsin

Warmer temperatures mean that Wisconsinites are spending a lot more time enjoying the outdoors with activities such as gardening, hiking, picnicking, and camping. However, spring also happens to be a season of peak tick activity in the Midwest. Ticks may be small but can have big health impacts as they carry diseases such as Lyme disease, anaplasmosis, ehrlichiosis, and others.

Check out Horticulture News Posts from earlier in the season!

Timely Articles for Spring Gardens

Effects of Flooding on Woody Landscape Plants

“How long will my plants survive with their roots under water?” This publication will help you answer that question.

Pink red flower of milkweed with yellow flower in background

Landscaping Alternatives for Terrestrial Invasive Flowers and Grasses

Flowers, grasses, and sedges are great additions to your gardens and home landscape to intercept and control dirty water, store and cycle carbon, promote healthy soil, shelter and feed wildlife, and provide pollinator support. Over time, we have learned that many plants introduced into our gardens can negatively impact native species by spreading into natural areas.

Swallowtail butterfly on monarda

How do Pesticides Affect Pollinators and Songbirds in Your Yard

By: Lynn Markham, Extension Land Use Statewide Specialist, UW-Stevens Point Maybe you’ve heard news stories about declines in pollinators and songbirds. In this video, you will learn what research studies have found about how pesticides affect pollinators and songbirds. You will also learn about what people have done to help in their yards and communities […]

What’s the deal with “No Mow May?”

Have you heard about “No Mow May?” Many people have committed to not mowing their yards in May, allowing flowering plants to grow to help provide food for pollinators. Before you stow away your mower for May, let’s look at what options you can take to help pollinators this Spring.

image of plant

Pollinator Gardens: Plant Selection and Garden Care

By: Susan Carpenter, Wisconsin Native Plant Garden Curator, UW-Madison Arboretum In this video, learn how to select and care for plants to attract and support diverse pollinators in your garden all season long. This presentation emphasizes native plants and pollinators and includes sustainable gardening practices. Pollinator Gardens: Plant Selection and Garden Care (Link to YouTube) […]

Bagging Apples for Insect and Disease Control

Producing apples in home gardens can be challenging due to damage by insects and fungal diseases. One effective organic solution is placing developing fruit in bags. This factsheet describes the process.

Extending the Garden Season

Cold frames and hot beds, hoop houses, cloches, and floating row covers allow gardeners to grow plants earlier in spring and later in fall. Get ideas that will work for you in this factsheet.

image of insects stuck to yellow trap

Fungus Gnats on Houseplants

Fungus gnats (Family Sciaridae) are insects commonly associated with overwatered houseplants. They can become a nuisance when they are present in large numbers and fly around inside a home. In most situations, fungus gnats are a cosmetic problem. However, on occasion, fungus gnat larvae can cause plant damage.

image of blueberries on the plant

Growing Blueberries in Containers

The blueberry is a wonderful fruit rich in vitamin C, dietary fiber, and vitamin E. Due to its popularity, there is a growing interest among gardeners to plant blueberries in backyard gardens.

Wisconsin Lawn Care Calendar

The following lawn care calendar provides an overview of home lawn maintenance. Not all lawns require every maintenance activity. Be sure to customize the care of your lawn to its specific problems and needs.

image of youth planting seeds

Seed Starting

Starting your garden from seeds might be easier than you think. Check out this article to get practical tips on starting your plants from seeds.

image of female deer

Plants Not Favored by Deer

If deer visit your property, before planting (or replanting), check out this list of trees, shrubs, flowers, herbs, and grasses that deer tend to avoid.

Support Extension