(Mahonia trifoliata)
This is a wide-spreading, evergreen shrub, useful for screens and barriers—the sharp, stiff, spiked leaves help make sure of that. Requires little water after plants are established—typically after two summers. Accepts high heat. Bluish black berries follow flowers in late fall and winter. Canopy coverage: 20 square feet.
Water Requirement: low
Sun Exposure: partial shade, full sun
Cold Hardiness: cold hardy to 15F
Growth Rate: moderate
Height: 5 feet high
Width: 5 feet wide
Evergreen
Foliage Color: gray-green
Flower Color: yellow
Flower Season: spring
Wildlife: birds