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Close-up of Oregon native Cascara tree leaves (Frangula purshiana / Rhamnus purshiana). Another stunning Pacific Northwest native tree available at Sparrowhawk Native Plants Nursery in Portland, Oregon.
Hummingbird visits Cascara tree (Frangula purshiana / Rhamnus purshiana). Another stunning Pacific Northwest native tree available at Sparrowhawk Native Plants Nursery in Portland, Oregon.
Leaves and habit of Cascara tree (Frangula purshiana / Rhamnus purshiana). Another stunning Pacific Northwest native tree available at Sparrowhawk Native Plants Nursery in Portland, Oregon.
Young Cascara tree (Frangula purshiana / Rhamnus purshiana). Another stunning Pacific Northwest native tree available at Sparrowhawk Native Plants Nursery in Portland, Oregon.

Cascara

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$12.95
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Frangula purshiana / Rhamnus purshiana

  • Size at maturity: 30' tall, 20' wide
  • Canopy layer: small tree
  • Light requirements: full sun to full shade
  • Moisture requirements: moist soil
  • Growth rate: slow
  • Special features: medicinal, supports hummingbirds

Since Cascara (also known as Chitum) prefers a shady, moist condition, it is often found growing as an understory tree with Vine Maple and Red Alder. The 1/4” black berries, while not especially tasty for humans, are attractive to raccoons and a variety of birds. The bark was used medicinally by Northwest natives and continues to be harvested for its laxative properties. (Portland Plant List, 2016)

 

Photo 1 & 3: "Cascara sagrada" by CAJC: in the PNW is licensed under CC BY-SA 2.0

Photo Credit 1: Eileen Stark

Photo Credit 4: Tara Lemezis