Kofa Mountain Barberry, Harrison's Barberry
Scientific Name: Berberis harrisoniana Kearney & Peebles
Recommended Temperature Zone:|
Sun Exposure: Full sun to part shade
Origin: Sonoran desert: southwestern Arizona (Kofa and Ajo mountains), at 2500 to 3500 feet elevation (750-1000 m)
Growth Habits: Evergreen shrub up to 3 feet tall and wide (90 cm); stems not spiny; trifoliate holly-like leaves
Watering Needs: Low to moderate water, prefers moderately acid soils
Yellow flowers, in rather dense raceme of 6 to 11 flowers, in late winter (January to March).
Small juicy fruit, 0.2 to 0.3 inch in diameter (5-7 mm), blue-black when ripe.