About California Box Thorn
Plant Family: Solanaceae
Plant Type: Shrub
Size: 5-10' H x 5-10' W
Growth Habit: Mounding shrub
Deciduous/Evergreen: Evergreen
Growth Rate: Moderate
Sun Exposure: Full sun
Soil Preference: Well-draining
Water Requirements: Drought-tolerant to moderate
Cold Hardy to: 25 degrees F
Flower Season: Spring/Summer
Flower Color: White to lavender
Endangered?: List 4.2
Distribution: Southern South Coast, Channel Islands
Natural Habitat: Coastal bluffs, coastal sage scrub below 450'
Photo Credit: Wynn Anderson via Calscape