This is common Buckwheat, which is highly drought tolerant. Grows larger than Arizona Buckwheat, also described here. Form is variable, from open when grown inland to more dense and compact along the coast. White, pink or cream flowers age to an attractive rusty red. Canopy coverage: 13 square feet.
Water Requirement: very low
Sun Exposure: full sun
Cold Hardiness: cold hardy to 5F
Growth Rate: fast
Height: 3 feet high
Width: 4 feet wide
Evergreen
Foliage Color: dark green
Flower Color: white, pink, cream
Flower Season: summer
Wildlife: bees, butterflies