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. Watch a video about the OSU Master Gardener program in Newport, Oregon.

Things to do in May

  • Plant chrysanthemums for fall color.

  • Plant dahlias, gladioli, and tuberous begonias in mid-May.

  • Prepare and prime irrigation system for summer.

Gardening Tips

Cistaceae family (Photo by Linda McMahan)
Ten easy flowering shrubs that flourish with little water
Flowering shrubs can add beauty to your landscape. Choosing the right shrubs can help save money on your water bill, too.
PNW Insect Management Handbook (Photo by OSU)
New website available for PNW Extension guide on managing insect pests
The latest research-based guidelines for managing insect pests, plant diseases and weeds in the Pacific Northwest are available through three newly updated, comprehensive guides.
Thatch (Photo by Alec Kowalewski.)
May is prime time to dethatch and aerate lawns
Thatch is a layer of decaying roots and stems that build up between grass and the soil.
Compost. (Photo by Tiffany Woods)
Turn manure into compost for your garden
Animal manure is rich in nutrients that make it a great organic fertilizer for your garden.
Raised bed cloche. (Photo by Sam Anigma.)
Six raised beds to try if you have bad soil
Afraid gardening and your soil are not compatible? Raised beds can come to the rescue.

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

Given the recent news on emissions of heavy metals in Portland, I'm looking for information on which vegetables take up these pollutants from the soil. What else should I be concerned about?
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