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Flowers, Shrubs, and Trees

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Displaying 1 - 10 of 323 resources

How can I protect my flowers from freezing?

Q: My husband and I planted flowers this past summer. Our hydrangeas have done really well and have still been blooming. We have temps dropping below freezing this coming week. How should I care for them? I’m also new to ...

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Gardening with Oregon Native Plants West of the Cascades

Growing a garden in western Oregon is easier when you include native plants. That’s because native plants are adapted to our wet winters and dry summers. Native plants also provide benefits to native pollinators and other ...

Linda R. McMahan, Heather Stoven | Oct 2022 | OSU Extension Catalog Peer reviewed (Orange level)

OSU study of native plants and pollinators presented at the largest nursery industry show in the West

Four Extension faculty and one research assistant gave presentations at the Farwest Show, which annually draws an estimated 5,000 attendees to the Oregon Convention Center and nursery tours.

Kym Pokorny | Sep 2, 2022 | News story

Native Plant Picks for Bees

Pollinator gardeners grow more than flowers. Increasing numbers of gardeners are supporting struggling insect populations by growing plants attractive to bees. One of the best ways to attract bees native to your region is to ...

LeAnn Locher, Signe Danler, Gail Langellotto | Sep 2022 | OSU Extension Catalog Peer reviewed (Orange level)

Emerald Ash Borer resources

Learn how to identify the emerald ash borer (EAB) beetle and ash trees, what you can do and ways Oregonians are planning for and preventing the spread of this destructive insect.

Aug 2022 | Collection

How can I support the endangered Monarch butterfly?

Q: I recently read in the news that the Monarch Butterfly was added to the endangered species list. What can I plant in my garden to help the butterfly? I read that milkweed plants are their natural habitat. Yesterday I ...

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Emerald Ash Borer look-alikes

There are many bright metallic-green insects, but the emerald ash borer beetle is only a half-inch long and strictly associated with ash trees. Use the chart to help determine if EAB is present on your property.

Jul 2022 | Online resource

Forest Facts: Emerald Ash Borer

The Emerald Ash Borer (EAB), or Agrilus planipennis Fairmaire, is a highly destructive invasive forest pest that has killed over 100 million ash trees in the eastern U.S. since its first detection in 2002. Learn more about its biology, detection, treatment and proactive preparations. Oregon ash is a key part of riparian forests and wetlands west of the Cascades.

Jul 2022 | Online resource

Is it too late to prune?

Q: I have a rose tree and totally missed pruning time this year. It is already flowering but the plant is very leggy (and also has black spot that we are treating). At this point should I just wait to do a light prune...

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Is bark mulch a fire hazard?

Q: I want to use mulch in my backyard around my flowers and trees, lots of trees. Fire experts want me to clear around my plants and down to the dirt!! I want to conserve water and I know I need mulch to do that since I cannot afford gravel. Besides, I do not like gravel. HELP!!!

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