Dudleya gnoma

A tiny, white-powdered rosette succulent known from three colonies on one ridge of Santa Rosa Island in California's Channel Islands. In cultivation (mostly as 'White Sprite') it is harder than other Dudleya, and summer water is the usual killer.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Rocky slopes with shallow volcanic soils on a ridge on the east side of Santa Rosa Island, in a fog-influenced maritime climate.

A single ridge site; no records carry an elevation.

CaliforniaChannel IslandsSanta Rosa Island

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates

✓ Humidity band, and how to hold it

✓ Light as DLI and PPFD for a grow light

✓ Wet and dry seasons, and whether to rest it

✓ Substrate and airflow

✓ A step-by-step setup to grow it like the wild

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More Dudleya

Dudleya farinosa Dudleya brevifolia Dudleya pachyphytum Dudleya brittonii Dudleya pulverulenta Dudleya variegata Dudleya virens Dudleya attenuata Dudleya greenei Dudleya guadalupensis Dudleya ingens Dudleya stolonifera All 52 →

Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.