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Is a dog latrine a bad place to grow vegetables?

Q: I'm very concerned about the health hazards of eating food grown in the beds where a dog has pooped. At this point, I could build a fence around the whole garden to stop any further damage, but I'm wondering about the ...

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Mulching around my tree, how can I get it right?

Q: I'm putting cardboard and chipped wood over much of my backyard to keep the weeds down. How much room should I leave free of cardboard around the trees (one planted only a year ago) so they get enough water (whether ...

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Homemade Remedies for Pests and Diseases

Home remedies have shown some effectiveness against many garden pests and diseases.

Jul 2017 | Article

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

Scotch broom is beautiful, but noxious

Scotch broom is noxious in Pacific Northwest

May 29, 2009 | 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

Five tips to winterize your trees

Your trees may still need attention even in the coldest days of winter.

Jan 17, 2014 | 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

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