Cascade Oregon Grape

Mahonia nervosa / Berberis nervosa Like its cousins, cascade Oregon grape has a place in any Pacific Northwest woodland garden. Growing about two feet tall, its pale-yellow flower clusters erupt from the center of the plant each spring, above whorling stems of spiky compound leaves. Deep blue berries ripen in late summer to fall providing food for birds and other wildlife.   Plant type/canopy layer: evergreen, perennial, small shrub Size at maturity: 2' tall, 2' wide Light requirements: part sun to full shade Moisture requirements: dry to moist soil Bloom time: March - June Growth rate/ease: slow growing, easy to grow Wildlife support: flowers attract and provide nectar to adult butterflies, bees and other insect pollinators, attracts and supports beneficial and other pest eating insects, attracts and supports hummingbirds, berries are eaten by backyard birds and small mammals  Native habitat/range: common in open or shaded woods, rocky areas up to 2200m mainly west of t