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.

  • Trap moles and gophers as new mounds appear.

  • Plant chrysanthemums for fall color.

Gardening Tips

What do the numbers on fertilizer packages mean?
What do the numbers on fertilizer packages mean?
Don't forget to fertilize houseplants in spring
Houseplants need fertilizer in the spring.
Envision the lawn you’d be happy with and fertilize accordingly, says OSU expert
Fertilize your lawn based on your own expectations.
Fertilizer application techniques demystified here
OSU guide describes basic fertilizer application techniques for home gardeners.
Grass clippings are a good source of nutrients for your lawn
Cut fertilizer use by leaving lawn clippings.

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. 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. 05, 2015 9:30am - 10:30am
What We'll Cover: Learn the latest on establishing, renovating and maintaining turf that meets your …
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 …
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