About the OSU Extension Service: The Oregon State University Extension Service shares research-based knowledge with people and communities in Oregon’s 36 counties. OSU Extension addresses issues that matter to urban and rural Oregonians. OSU Extension’s partnerships and programs contribute to a healthy, prosperous and sustainable future for Oregon.

Moles, voles and gophers dig the garden

Moles, voles and gophers all create tunnels and are active underground, but what they eat and the damage they cause varies. They all improve the soil by aerating it and mixing nutrients, but sometimes their habits get them in trouble with gardeners.

Rev up for gardening season with a plant sale

The sales are held statewide, with 19 counties holding an event this year,

Controlling perennial bindweed takes persistence

This invasive perennial makes itself at home by sinking roots as much as 9 feet into the soil and can stay as an unwanted guest for up to 20 years.

OSU Extension livestream of hatching chicks returns for ninth year

Since the annual livestream launched in 2014, more than 80,000 people from around the world have watched chicks hatching on the OSU Extension website and more have watched on TV station websites.

Climate change results in projected shifts in plant hardiness zones

With climate change, the USDA plant hardiness zones are shifting. For instance, the 2012 map zones changed in many areas by 5 degrees.

Old-fashioned sweet peas fill the garden with fragrance

Sweet peas grow best when planted during the early spring in western Oregon and a little later in the higher elevation areas east of the Cascades.

Like diamonds, clay soils are forever

Bark, manure, leaf mold and compost are among the organic amendments commonly used to improve clay soil.

What are short-day and long-day plants?

To understand plant flowering, you need to get a handle on “photoperiodism,” or amount of light and darkness a plant is exposed to.

Love them or leave them: Fruit trees take plenty of work

Research has resulted in easier methods of dealing with pests and diseases, from resistant trees to low-toxicity products.

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