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 April

  • Place compost or well decomposed manure around perennial vegetables, such as asparagus and rhubarb.

  • Cut back ornamental grasses to a few inches above the ground, in early spring.

  • Plant gladioli, hardy transplants of alyssum, phlox, and marigolds, if weather and soil conditions permit.

Gardening Tips

Over tilling can compact soil
Garden soil can be over tilled.
Ways to manage weeds in the vegetable garden
How to control weeds in the vegetable garden
Extend vegetable growing with succession planting
Vegetables can be grown into the fall and winter
Winter cover crops build garden soils
Winter cover crops build organic matter
Dahlias add sunny tones to the summer garden
Dahlias require special care

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

Apr. 28, 2015 9:30am - 10:30am
What We'll Cover: Learn techniques for growing vegetables in very limited space by maximizing density, …
May. 02, 2015 9:00am - 2:00pm
Perennials, Natives, Veggies, Trees, Shrubs and lots more!  
May. 02, 2015 9:00am - May. 03, 2015 4:00pm
31st Spring Garden Fair hosted by the Clackamas County Master Gardeners   Saturday, May 2  9:00 …
May. 02, 2015 10:00am - 3:00pm
10:00 Pruning Trees and Shrubs   10:30 Growing Tomatoes   11:00 Growing Blueberries   11:30 Starting Your …
May. 05, 2015 9:30am - 10:30am
What We'll Cover: Learn the latest on establishing, renovating and maintaining turf that meets your …
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