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.

  • Leafrolling worms may affect apples and blueberries. Prune off and destroy affected leaves.

  • Prepare and prime irrigation system for summer.

Gardening Tips

There's still time to plant greens, garlic, cover crops
There's still time in late September into October to plant some cool season veggies and cover crops in the milder areas of Oregon.
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
Plant cover crops to protect and nourish soil
Plant cover crops in late summer or early fall to protect and nourish soil.
Late summer is a great time to plant more cilantro
Late summer is a great time to plant cilantro.
Autumn mulching will protect soil and prevent spring weed infestations
Discourage uninvited animal guests from making themselves too cozy.

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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