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Mini cascara flowers are now in bloom

Cascara (Rhamnus purshiana), a small tree in the buckthorn family, is now in full bloom in western Washington—although you wouldn’t notice if you didn’t look very closely. The small nondescript flowers, growing in the leaf axils, are only about 3-5 mm across with five greenish-yellow petals. These trees grow in moist, acidic soils and tolerate […] Read more