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Improving Garden Soils with Organic Matter

This publication will help you understand the importance of soil organic matter levels to good plant performance. It also contains suggestions for suitable soil amendments. Any soil, no matter how compacted, can be improved by ...

Dan Sullivan, Linda Brewer, Neil Bell | May 2003 | OSU Extension Catalog

Add organic matter to improve garden soils

Adding organic matter is the best way to improve nearly all kinds of soils.

Feb 27, 2009 | News Story

Red worms eat their way through kitchen waste to produce rich soil amendment

Keeping a worm farm is an easy project

Kym Pokorny | Aug 12, 2016 | News Story

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

Wiggle your way into worm composting

Worm castings -- AKA poop -- add valuable nutrients to the soil and is easy to make. The hardest part is making the bin and that's not difficult.

Kym Pokorny | Jul 23, 2018 | News Story

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

I gotta have more worms!

Q: Where can I find information on adding worms to soil that has none? Thanks.

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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

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