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Showing 1 - 10 of 26 results.

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

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

Azalea and Rhododendron Care and Culture

Explains how to plant or transplant rhododendrons and azaleas. Discusses soil, fertilizer, and water needs. Covers cultivation, winter damage, pruning, propagation, and problems such as nutrient deficiencies and insect pests.

Feb 2001 | OSU Extension Catalog

What should I be doing now for weed control?

Q: The straw mulch I used at the end of summer to suppress the weeds doesn't seem to be working. Should I till it and cover with plastic? black or clear? Is there something better. Or should I add more straw. I could probably bring some cardboard home from work. Is this a healthy option?

A: View answer | View all featured questions

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?

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Orchid Cactus - Epiphyllums

Learn about plant cuttings, water and light requirements, temperature, fertilizer, pests, and repotting.

Cal Peterson | Jan 2011 | Article

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

Spring Flowering bulbs

Purchasing, site selection, when to plant, preparing the site, and follow-up care.

Amy Jo Detweiler | Aug 2009 | Article

Amaryllis can brighten a winter window

Amaryllis are as easy to grow as they are beautiful.

May 25, 2011 | News Story

Divide and conquer plants to keep them healthy and productive

Dig up and cut apart plants when they start to show less vigor

Kym Pokorny | Apr 24, 2015 | News Story