Rhamnus purshianus Cascara sagrada (Rhamnaceae) Evergreen tree

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Rhamnus purshianus
Cascara sagrada
Evergreen tree
(1 Page of 5)

The Rhamnus purshianus plant species is found in Western N. America - British Columbia to California. It is a member of the Rhamnaceae family. Common gardeners may know the plant as Cascara sagrada. Some home gardeners know the variety as Frangula purshiana. (DC.)Cooper.

Cultivation | Propagation | General Uses
Medicinal | Edible Uses

Latin Name:  Rhamnus purshianus
Common Name:  Cascara sagrada
Family:  Rhamnaceae
Author:  DC.

Known Hazards:  There is the suggestion that this species could be mildly poisonous[19, 65].

Mature Height:  10   Mature Width:  6

Habitat:  Rich bottom lands and sides of canyons, usually in coniferous forests[60, 82].

Cultivation Notes: Succeeds in any reasonably good soil in sun or partial shade[11, 238]. This species is hardy to at least -15°c[238]. Closely related to R. frangula[11]. This species is cultivated as a medicinal plant in N. America[57, 60, 61] and is also collected from the wild[238]. It is becoming rare in the wild because of over-collection[238]. The flowers are produced in small clusters on shoots of the current year's growth[82]. A good bee plant[94]. The species in this genus are notably resistant to honey fungus[200].

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Cultivation | Propagation | General Uses
Medicinal | Edible Uses

The information above has been supplied solely via the hard work and dedication of the team at 'Plants for a Future'.
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