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  • Cascara (Rhamnus purshiana)

Cascara (Rhamnus purshiana)

$11.75
$11.75
Unavailable
per item

​$11.75 FOR A BUNDLE OF 5 CASCARA

Mature Height:Up to 30'

Moisture:Wet to moist

Exposure:Partial shade to full sun​​


  • Wonderful wildlife species great for restoration sites and home landscapes   
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Distribution: Cascara is found throughout Washington at low to mid-elevations, but is more common on the west side
of the Cascades.

Growth Habit: Cascara typically grows as an upright tree, occasionally reaching 30 feet tall. It is deciduous even
though older leaves may persist through winter.

Adaptability: Cascara is adapted to grow in a wide range of conditions throughout its range. It can be found growing in soils that range from wet to dry and sites that vary from shady to exposed. Most typically however, Cascara is found growing in moist soils, with some shade present.

Comments: Historical demand for Cascara bark for use in the pharmaceutical industry (as a laxative) has resulted in a considerable reduction in the native Cascara population. It was once commonly found growing as a riparian species, and is considered an outstanding species for riparian restoration. It also provides wildlife habitat. Its berries are a favorite food of several species of birds and its stems provide browse
for deer and elk.
Next Board Meeting:
Wednesday, March 24, 2021
9am - 12pm

This board meeting will be held online - Zoom. Please contact us if you'd like to attend and we will send you the remote meeting information.

Board Monthly Meeting Details:
  • Board meetings are held online via Zoom
  • Board meetings are open to the public
  • Past meeting minutes & agendas can be found here.
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Office Hours:
Monday - Friday
8am- 4:30pm

Our office is currently closed to the public due to COVID-19 health precautions.
(mailing) PO Box 490
(office location) 1 NE 4th Street
Coupeville, WA 98239

360-678-4708 |  888-678-4922
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  • Home
  • About Us
    • Board of Supervisors >
      • Supervisor Elections
    • Staff
    • Projects
    • Volunteer
    • Historical Maps
    • District Documents
    • Community Involvement
  • Our Services
    • Farm & Ag Assistance >
      • Horsekeeping
      • Beginning Farmer Resources
    • Agricultural Community
    • Forest Stewardship
    • Firewise
    • Water Management >
      • Island County Stormwater NTA
    • Backyards & Habitat >
      • Native Plants
      • Pollinator Pal Pledge
  • News & Events
    • Newsletter
    • Make A Difference Column
    • Videos
    • Weed Bulletin
    • Orca Recovery Day
    • Whidbey Earth Day