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Treasure flower and Sulphur buckwheat: growing conditions and wildlife benefits.

COMMON CHOICE Treasure flower Gazania rigens	NATIVE ALTERNATIVE Sulphur buckwheat Eriogonum umbellatum
	GO NATIVE
Native range
Coastal southern Africa	NW. U.S.A. to New Mexico.See state guides
Sunlight
Full sun	Full sun
Soil moisture
Dry to average moisture; well-drained soil	Dry soil
Mature height
6–12 in	6–12 in
Mature spread
6–12 in	1–3 ft
USDA hardiness zones
9–11	4–8
Season of interest
Spring–fall	Summer–Fall
Garden & wildlife value
Used in pollinator gardens for its daisy-like flowers.	Native flowers feed bees, butterflies, and moths, followed by seeds for wildlife.
Growing notes
Often grown as an annual. Flowers close at night and may stay partly closed on cloudy days.	Needs excellent drainage and very little summer water; persistently wet soil can kill it.
Growing information	Growing information Native range: Kew

Sizes describe the species; individual cultivars can differ.