“Rain Gardens: Low Impact Development Fact Sheet,” Maria Cahill, Derek C. Goodwin, and Jenna H. Tilt. Oregon State University Extension Service. EM 9207 June 2018. https://catalog.extension.oregonstate.edu/em9207/html
“Building a Rain Garden in the Pacific Northwest.” April 2011. This 32-minute video produced by WSU, College of Agriculture, Human and Natural Resource Sciences, provides steps to follow to site, design, construct, and maintain a rain garden. https://www.youtube.com/watch?v=9Kti4HJ45BM
“Porous Pavement: Low Impact Development Fact Sheet,” Maria Cahill, Derek C. Goodwin, and Jenna H. Tilt. Oregon State University Extension Service. EM 9210 June 2018. https://catalog.extension.oregonstate.edu/em9210/html
“Vegetated Roofs: Low Impact Development Fact Sheet,” Maria Cahill, Derek C. Goodwin, and Jenna H. Tilt. Oregon State University Extension Service. EM 9202 May 2018. https://catalog.extension.oregonstate.edu/em9202/html
“What you should know about rain barrels and water conservation if you live in the Portland metro area.” Regional Water Suppliers Consortium. 2021. https://www.regionalh2o.org/water-conservation/outdoor-water-conservation/rain-barrels
“Soil: The Dirty Secrets of a Living Landscape,” Gordon Jones and Scott Goode. Oregon State University Extension Service. EM 9304. December 2020. https://catalog.extension.oregonstate.edu/em9304/html
“Mulching Woody Ornamentals with Organic Materials,” Neil Bell, Dan M. Sullivan, and Tom Cook. Oregon State University Extension Service. EC 1629. March 2009, Reviewed December 2017. https://catalog.extension.oregonstate.edu/ec1629/html
The excellent Oregon Flora Project website provides a comprehensive guide to the vascular plants of Oregon. https://oregonflora.org/
“Water Efficient Plants for the Willamette Valley.” This brochure provides a guide to plants for water-efficient landscaping. https://emswcd.org/wp-content/uploads/2013/10/Water-Efficient-plant-guide-small.pdf
“Weekly Watering Number.” Follow the link to get your weekly watering number sent directly to you during our summer dry season. https://www.regionalh2o.org/water-conservation/outdoor-water-conservation/weekly-watering-number
Learn about WaterSense products and water-efficient landscaping by linking to this EPA website: https://www.epa.gov/watersense/outdoors
In cooperation with the OSU Extension Service, the Washington County Master Gardener Association (WCMGA) provides relevant, research-based education and outreach to the public about horticulture and household pests. This information promotes sustainable practices that minimize risks to human health and the environment. The Washington County Master Gardener Association (WCMGA) sponsors a wide variety of gardening–related demonstrations, lectures, seminars and workshops in various Washington County Oregon locations. Most of our events are free and open to the public. The WCMGA is a 501c3 non-profit supported by hundreds of volunteers, who work to educate the public about sustainable, affordable gardening.