Management options for Canada thistle in forest land: biological, chemical, and mechanical controls, plus grazing. Includes description of weed and its life cycle, history of infestation in the U.S. and West, and sources of more information.
Management options for gorse in forest land: preventive steps, biological, chemical, and mechanical controls, plus grazing. Includes description of weed and its life cycle, history of infestation in the U.S. and West, and sources of more information.
Oregon ash grows along the streams and wetlands of western Oregon and Northern California, where it provides important wildlife habitat. But these trees are threatened by the emerald ash borer, an insect pest that...
David C. Shaw, Jay W. Pscheidt, Alexander Gorman |
Jan 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Photo Credit: vaitekune - Adobe Stock (Cropped from original)
Irrigation and pest control are top priorities for gardeners in August. Some plants may also benefit from temporary shade and cover from the harsh sunlight. Learn more in this guide.
David Phipps is considered one of the Northwest’s leaders in golf course environmental stewardship and innovation. While working as the superintendent at Stone Creek Golf, he received the GCSAA President’s Award for Environmental ...
Oregon’s bumble bees are all hibernating. Mated bumble bee queen are known to winter in loose soil or leaf litter, but we don’t know much more beyond that. This week we talk with Rich Hatfield about a new community ...
How can we ask not what greenspaces can do for us but what greenspaces can do for the environment? Portland-based Pro Time Lawn Seed was one of the first businesses to tackle this question, with the founder of the company...
This week we are joined by Heath Keirstead and Jerry Paul from the Benton Soil and Water Conservation District (BSWCD). Heath is BSWCD’s Communication and Community Engagement Manager and Jerry has been involved with BSWCD as ...
Presentation by Silvia Rondon on Insect Ecology. Topics covered include types of metamorphosis, effects of temperature on development, how temperature affects SWD and potato tuberworm.
Q: What do you recommend for keeping weeds at bay in planting beds? We'd like to stop using Round-Up. Our beds are too big and the weeds are too numerous to be able to keep up mechanically. Would a vinegar solution be harmful to the soil?