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Fairy Rings - Blessing or Curse?

Q: I just moved into a house on a golf course with giant fir trees. In our yard in the grass is a fairy ring. Is this good or bad?

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Are madrone trees mean?

Q: I have a small grove of Madrones behind my house. I have put a couple of annual beds under them but nothing seems to grow under them. I have looked all over the net to no avail on this issue. I did amend the ...

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Scotch broom is beautiful, but noxious

Scotch broom is noxious in Pacific Northwest

May 29, 2009 | News Story

Look out for prickly Paterson's Curse in wildflower seed mixes

Be on the lookout for prickly Paterson's Curse in wildflower seed mixes.

Nov 19, 2007 | News Story

Native madrones are special to the Northwest

There are probably few plants that are more strongly identified with this area or are held in greater affection than the madrone tree.

Jan 27, 2006 | News Story

Gorgeous yellow iris is ecological threat to PNW wetlands

Gorgeous yellow iris Is ecological threat to PNW wetlands

Jun 20, 2008 | News Story

Invasive grass called false brome, threatens Oregon native plant diversity

Oregon is the first state to list invasive non-native grass called false brome as a noxious weed.

Mar 2, 2007 | News Story

Take All

This root rot look-alike is endangering wheat, grass, and barley. Learn the signs, symptoms, and controls of this disease.

Mary Corp | Oct 2018 | Article

Use Caution When Irrigating Oaks and Madrones

Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.

Jun 2018 | Article

How to keep butterfly bush from spreading noxiously

Butterfly bush, or Buddleia, can be a very aggressive non-native plant that, in certain situations, can overtake native vegetation. Take care to cut blossoms off in the fall.

Jan 21, 2005 | News Story