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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

Should I Worry about Heavy Metals in My Garden Soil?

What do we know about heavy metals in soil? What do we know about lead exposure through soil and garden plants? What do we know about cadmium and arsenic in soils? What can I do if I’m at risk for heavy metals in my garden soil?

Jul 2016 | 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

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

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

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

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

Pamper fuchsias, geraniums and dahlias through winter

Bring tender perennials inside so they'll survive

Kym Pokorny | Oct 30, 2015 | News Story

Give amaryllis a little push for luscious indoor bloom

It doesn't take much to get this traditional winter plant to flower

Kym Pokorny | Oct 27, 2017 | News Story