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

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

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

  • Prepare and prime irrigation system for summer.

Gardening Tips

iStock tree image
Repair winter storm-damaged trees and shrubs promptly for best results
OSU Extension horticulturist gives hints on how to make repairs on woody trees and shrubs, damaged by winter storms.
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Plant bulbs this spring and summer for all-year color
After the spring show of flowers, gardeners may be at a loss on how to top the early vibrant color.
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Prune to keep ornamental shrubs healthy
Pruning is one of the most important tasks to keep shrubs and bushes healthy
diseased rhododendron
Publication reminds how to stop spread of Sudden Oak Death
Humans help spread the disease when they transport infected plants, plant parts or infested soil.
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Think like a plant when measuring soil pH
Think of yourself in a swimming pool. If the water is too cold, or the chlorine makes your eyes hurt, you don't want to be there.

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

Is the threat of frost past for planting in the Willamette Valley?

Upcoming Events

May. 11, 2015 7:00pm - 8:00pm
Ann Detweiler will present information on the care, culture, and varieties of hardy fuchsias.  Not …
May. 12, 2015 9:30am - 10:30am
What We'll Cover: Tomato Planting 101 Basic class on planting and sharing tips and ideas …
May. 14, 2015 10:00am - 11:30am
What We'll Cover: Most acclimated to our region Provide habitat Disease resistance Cleanse our water …
May. 14, 2015 6:30pm - 8:00pm
Free! Lectures are open to the public — no registration required         …
May. 16, 2015 9:00am - 2:00pm
Come early & buy your locally-grown plants, flowers, veggies, herbs, etc., at the annual MASTER …
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