Get your gardening questions answered | OSU Extension Service

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Recent gardening articles

How to avoid spreading invasive species in plant sales or plant swaps

Casual plant sales and plant swaps can sometimes pass along more than a good plant: they can also pass along invasive species traveling along in the soil of the plant. Learn how a new invasive species, Jumping Worm, is ...

Gail Langellotto, Samuel Chan, LeAnn Locher | May 2021 | Article Peer reviewed (Gray level)

How do I test my garden soil?

Learn why you should test your garden soil and the different kinds of tests to ask for. Resources include instructions for how to collect a soil sample for testing and a short video demonstration.

Brooke Edmunds | Apr 2021 | Article Peer reviewed (Gray level)

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 Peer reviewed (Gray level)

Heatwave in the garden: how to identify and prevent heat stress in plants

When a heatwave hits, plants may show the impact. Learn the signs of heat stress in plants: leaf rolling and cupping, wilting, dry leaf edges, ozone damage, blossom and fruit drop, bolting, sunscald, blossom end rot. Learn ...

Nicole Sanchez | Jun 2021 | Article Peer reviewed (Gray level)

Dealing with Ticks

Ticks are a common nuisance pest on hikers, gardeners, and those who enjoy or work in the outdoors. Ticks are arthropods that feed on blood of humans and other mammals (dogs, horses, deer), birds, and reptiles. It is ...

Brooke Edmunds | Jun 2021 | Article Peer reviewed (Gray level)

How to support bees in a heatwave

Extreme summer heat events are stressful for people. These heat waves can also stress bees. Many gardeners put out shallow trays of water and pebbles to help the bees. What is the science behind this? • How honey bees ...

Andony Melathopoulos, Gail Langellotto | Jul 2021 | Article Peer reviewed (Gray level)

Helping hydrangeas through and after a heatwave

In June 2021, much of the Pacific Northwest experienced a record breaking heatwave, and many gardeners were alarmed at the sight of their formerly green and fleshy hydrangea leaves turning brown and crispy. Blooms were equally ...

Heather Stoven | Jul 2021 | Article Peer reviewed (Gray level)

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