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How to care for heat-damaged plants

Go ahead and cut off dead flowers on heat-burned plants, but try to resist the urge to remove partially dead leaves.

Kym Pokorny | Jul 9, 2021 | News story

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 and how to help them weather a heatwave with best practices for watering, mulching, shading, providing humidity and weeding.

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

Tips for gardening in extreme heat

Keep hydrated. Carry a water bottle – and use it! You need water as much as your plants do.

Kym Pokorny | Jun 25, 2021 | News story

Are fresh avocados possible here?

Q: Can an avocado tree grow and bear fruit in the Willamette Valley?

A: View answer | View all featured questions

Native Trees of Western Oregon

Trouble distinguishing white and black oaks? Wondering if that huge cedar is an incense, Port-Orford, or Western red? The more you know about your trees, the better you can care for them and improve their overall health. This...

Alicia Christiansen, Lauren Grand | Apr 2021 | Video

Fall in love with colorful, dazzling dahlias

Pompoms, collarettes, mignons, waterlilies: The names are as colorful as the blooms they describe.

Kym Pokorny | Apr 2, 2021 | News story

‘Trees to Know in Oregon and Washington’ turns 70 with new edition

The new 173-page edition describes more than 125 trees, each illustrated with several color photos.

Kym Pokorny | Mar 26, 2021 | News story

Emerald Ash Borer Readiness and Response Plan for Oregon

The Oregon Department of Forestry and Oregon Department of Agriculture outline important steps, highlight tools and resources already available, and guide the state’s approach to handling an emerald ash borer (EAB) infestation at all stages.

Mar 2021 | Online resource

When is the right time for fruit tree mulching?

Q: I have four peach trees that are four and five years old. Can I mulch these trees right now, or should I wait?