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Treasure flower and ʻIhi: growing conditions and wildlife benefits.

COMMON CHOICE Treasure flower Gazania rigens	NATIVE ALTERNATIVE ʻIhi Portulaca lutea
	GO NATIVE
Native range
Coastal southern Africa	Hawaiian native range: Niʻihau, Kauaʻi, Oʻahu, Molokaʻi, Lānaʻi, Maui, Hawaiʻi, Northwest Islands.See state guides
Sunlight
Full sun	Full sun
Soil moisture
Dry to average moisture; well-drained soil	Dry soil
Mature height
6–12 in	Under 1 ft
Mature spread
6–12 in	About 1 ft
USDA hardiness zones
9–11	Choose by island, elevation, and rainfall.
Season of interest
Spring–fall	Intermittent flowers
Garden & wildlife value
Used in pollinator gardens for its daisy-like flowers.	This native succulent tolerates dry, windy sites and needs little water once established.
Growing notes
Often grown as an annual. Flowers close at night and may stay partly closed on cloudy days.	Use fast-draining soil and let it dry between waterings; wet roots can rot.
Growing information	Growing information

Sizes describe the species; individual cultivars can differ.