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)

Heat wave 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 help bees survive a heat wave

Extreme summer heat can pose a danger to bees. Although bees have ways to keep cool, many gardeners put out shallow trays of water and pebbles to help them. Does that help? Here's what the science says.

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

How to help hydrangeas weather a heat wave

A heat wave can turn a hydrangea's lush green leaves and beautiful blooms brown and brittle in no time. But it doesn't have to be that way. Here's what gardeners can do to protect hydrangeas from the heat.

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

Top tips for gardeners to help fight climate change

As Oregon gardeners have noticed, our climate is changing. This is primarily due to human activities releasing excessive greenhouse gases into the atmosphere over the last 150 years. As a result, we’re seeing temperatures ...

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

How to grow and maintain a healthy lawn

Maintaining a healthy lawn requires a little knowledge and a big commitment to regular maintenance. Learn what it takes, from seeding or sodding to fertilizing, watering, mowing and aerating.

Weston Miller | Mar 2022 | Article Peer reviewed (Gray level)

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