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Treasure flower and ʻIlima: growing conditions and wildlife benefits.

COMMON CHOICE Treasure flower Gazania rigens	NATIVE ALTERNATIVE ʻIlima Sida fallax
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Native range
Coastal southern Africa	Hawaiian native range: Niʻihau, Kauaʻi, Oʻahu, Molokaʻi, Lānaʻi, Maui, Kahoʻolawe, 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 2 to over 10 ft, by form
Mature spread
6–12 in	4–8 ft
USDA hardiness zones
9–11	Choose by island, elevation, and rainfall.
Season of interest
Spring–fall	Year-round flowers
Garden & wildlife value
Used in pollinator gardens for its daisy-like flowers.	Yellow flowers offer food for native yellow-faced bees.
Growing notes
Often grown as an annual. Flowers close at night and may stay partly closed on cloudy days.	Choose a coastal or upland form suited to your garden; heavy irrigation can cause rot.
Growing information	Growing information

Sizes describe the species; individual cultivars can differ.