Gardening

Using sustainable and research-based techniques, learn how to grow your own vegetables, connect with other gardeners, or use Ask an Expert to seek gardening advice. 

Things to do in December

  • Yard sanitation: rake leaves, cut and remove withered stalks of perennial flowers, mulch flowerbeds, and hoe or pull winter weeds.

  • Avoid mounding mulching materials around the bases of trees and shrubs. The mulch might provide cover for rodents.

  • Turn the compost pile and protect from heavy rains, if necessary.

Gardening Tips

How to help robins through the winter in your yard and garden
The robin has declined in Oregon over the past few decades, at a rate of about 1.5 percent per year. Here are some hints on how to help these underappreciated birds through the winter.
Mediterranean gardening has many benefits
Mediterranean gardening uses plants that are able to store the moisture they need in the winter and survive and even thrive through the summer without irrigation.
Lighting important in photographing nature
Lighting is important in photographing plants in the garden and nature.
Early fall color in deciduous trees may indicate trouble
Deciduous trees that show yellow, red or purple leaves in the early fall may be a symptom of stress
Late summer is a great time to plant more cilantro
Late summer is a great time to plant cilantro.

Gardening Courses

Master Gardener Online

Learn the art and science of growing and caring for plants, and even become a Master Gardener, through this two-option online course.

Become a water-wise gardener

Plant an economical and environmentally friendly and garden with the help of the WaterWise Gardening online course series.

Popular Publications

A new publication from OSU Extension shows a full-circle approach to gardening on school grounds
Use this self-guided learning module to find information on grapevine nutrient needs and how to diagnose problems with disease, insects, drought, sunburn, and herbicides.
Learn how to create a "cloche" that can be used to protect your plants from cold weather.
If you lack space for a garden, consider raising vegetables in containers.
Making a poor garden better often begins with the soil. If your garden soil is poor, consider giving it some help.
Strategies to to keep the bugs out of your garden.
Improve your soil by adding organic matter and creating raised beds.
Basic instructions on how to prune your trees.

Question of the Week

I found this growing in my garden and I'm not sure what it is. My girlfriend said it looks Sinister! Can you tell me what this is? My best guess is maybe something to do with dill because I had some dill plants there, but they kind of look like mushrooms or alien eggs. There were also some zucchini plants there.

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