I second the addition of Cascara to the appropriate berry bearing bird
beckoning western WA natives list, another excellent bird berry native tree
and a Band-tailed Pigeon favorite I've heard. I believe fruit production
can vary a good deal for this species (as it can for many). Cascara is also
recorded as an occasional host plant for Pale Swallowtail butterflies -
Papilio eurymedon, though they seem to prefer Ceanothus velutinus -
Snowbrush or possibly other native Ceanothus species (C. sanguineus is the
other here on the west side of the Cascades). Cascara is one of our less
common tree species that I like to promote, both for the wildlife value and
because it is among our less common trees (small as trees go).

Stewart

-----Original Message-----
From: Bob Sundstrom

Another candidate to add to Stewart's list is Cascara, Rhamnus purshiana.
For a short time in late summer/early fall, it is the most popular target
for many songbirds in my area near Scatter Creek, even with all the other
plants on Stewart's list growing nearby. ...

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