Calylophus drummondianus
Sundrops

A showy perennial groundcover with bright yellow, four-petaled flowers and fuzzy, gray-blue-green foliage. Attracts butterflies, hummingbirds and moths. Native to the southwestern United States.

USDA zones: 5 - 9
Sunset zones: 1 - 3, 6 - 16, 18 - 24
Mature size: 1 foot high and 2 feet wide
Light needs: full sun to light shade
Water needs: little to moderate water