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

  • Control slugs with bait or traps and by removing or mowing vegetation near garden plots.

  • Trap moles and gophers as new mounds appear.

Gardening Tips

Fava beans (Photo by Chris LaBelle)
Plan ahead to plant cover crops for healthy garden soil
Cover crops protect the soil from rain, add organic matter to the soil and in some cases add nitrogen to the soil to help plants grow.
Gymnosporangium libocedri (Photo by Jay Pscheidt)
Watch out for rust that can jump from incense cedars to fruit trees
Are globs of bright orange goo attacking both your incense cedar and pear trees? You could be dealing with a potentially devastating fungus known as Pacific coast pear rust.
Sunflower (Photo by Lynn Ketchum)
Easy ways to conserve water in the garden during a dry year
In a dry year, use water wisely, the Oregon State University Extension Service advises.
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.

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?

Upcoming Events

May. 06, 2016 9:00am - 4:00pm
More Space, All Favorites, New, Rare & Unusual Plants Featured at Polk County Master Gardener's …
May. 07, 2016 (all day)
Fat Dog Farms will be hosting their annual garden market sale and open house on …
May. 07, 2016 (all day)
The Curry County Master Gardeners will be having their annual plant sale on Saturday, May …
May. 07, 2016 9:00am - 4:00pm
Enjoy this once a year Plant & Garden Expo in Roseburg. You'll find: Plants, Trees, …
May. 07, 2016 9:00am - 2:00pm
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