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Rhododendrons and azaleas need a strong acidic soil

Check out yellow leaves on rhododendrons and azaleas.

Jun 4, 2010 | News Story

Fertilizing with Manure and Other Organic Amendments

Are you thinking about using manure to fertilize your farm but want more information? Properly managed manure applications recycle nutrients to crops, improve soil quality, and protect water quality. From deciding whether manure is ...

Dan Sullivan | Jun 2016 | OSU Extension Catalog

General care for hydrangeas

Look to this hydrangea how-to for advice on soil, water, pruning and more. Learn a simple pH trick that will turn blooms from pink to blue.

Kristin VanHoose | Jun 2018 | Article

Trees and Shrubs for Erosion Control

A list of recommended trees and shrubs in Oregon, good for controlling erosion.

Jul 2018 | Collection

Are lupines the answer to my difficult yard?

Q: I'm an urban rental dweller--West Portland--whose elderly landlords would rather deal with issues with the house rather than the yard, on which grass seed that I've bought does not grow; the soil is depleted and I can't ...

A: View answer | View all featured questions

Don't toss those tuberous begonias - save for next summer

It is easy to ready and store tender summer bulbs such as tuberous begonias for next growing season. Here’s how.

Sep 19, 2003 | News Story

Amaryllis can brighten a winter window

Amaryllis are as easy to grow as they are beautiful.

May 25, 2011 | News Story

My spring bulbs are sprouting now in November, what should I do?

Q: I have crocus blooming, daffodils and bearded iris sprouting in my yard. Will they retain enough energy to grow next spring when they are supposed to? Will I need to feed them extra at some point? When?

A: View answer | View all featured questions

Hanging baskets put the color in summer

Think about location when designing and caring for a hanging containers

Kym Pokorny | May 15, 2015 | News Story

Plant native Oregon shrubs now

Time to plant native Oregon shrubs

Jan 29, 2010 | News Story