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How do I collect a soil sample for testing?

Collecting a soil sample for testing is easy. In this video, Dennis Brown, OSU Extension Master Gardener volunteer, Portland Metro Area, demonstrates how to take a soil sample in the garden. Video courtesy of Dennis Brown and Dave Meeker.

Dennis Brown, Dave Meeker | Apr 2021 | Video

What does "harvest date" mean on my seed packets?

Q: The instructions on a seed packet says 22-30 days to harvest. Is this from the time you plant the seed or after it’s sprouted first leaves? Or hardened off and put in the garden/pot?

A: View answer | View all featured questions

A Tribute To The Monarch Butterfly: How To Turn Your Backyard Into A Butterfly Friendly Habitat

Article's focus is to get families and communities interested in helping out the Monarch butterfly by planting butterfly-friendly gardens.

Apr 2021 | Online resource

Are my old garden seed still usable?

Q: How long are old garden vegetable seeds still usable? Packed for "--" season?

A: View answer | View all featured questions

Should I wait to clean up the garden in order to help conserve insects?

Addressing a current popular meme in social media encouraging waiting to clean up your garden until temperatures reach 50º F or higher, in order to help conserve insects. We address the claim that if you clean your garden ...

Gail Langellotto | Mar 2021 | Article

OSU shares benefits of gardening

In 2019, nearly 3,000 Master Gardeners compiled 221,423 volunteer hours – equivalent to 106 full-time employees

Gail Langellotto | Feb 2021 | Impact story

With the right care, asparagus beds will produce for decades

Asparagus is a hardy perennial and should be planted as soon as the soil can be properly prepared in the spring.

Kym Pokorny | Feb 12, 2021 | News story

How to Use Compost in Gardens and Landscapes

Compost is a soil amendment consisting of partially broken-down organic material. Use compost to improve soil for vegetable gardens, landscape areas and lawns. Learn how to apply the correct amount of compost and how to avoid common compost mistakes.

Weston Miller | Feb 2021 | OSU Extension Catalog

Herbicide-Contaminated Compost and Soil Mix: What You Should Know — and What You Can Do About It

Compost and soil mix products sometimes contain herbicide residue. This residue can damage certain vegetable, fruit and flower crops. The residue likely comes from contaminated hay, grass clippings or manure. Watch for stunted growth...