Dudleya rubens

A glaucous, clump-forming Dudleya from the mountains of Baja California Sur, the only Dudleya above 500 m in the north of that state. Treat it as a cool-season grower: bright light, very sharp drainage and a dry rest in the heat of early summer.

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

North-facing volcanic slopes and rock faces in the sierras of central Baja California Sur, often within reach of coastal moisture.

About 700 to 1,500 m; the Sierra de San Francisco form grows at roughly 900 to 1,200 m and the Sierra de la Giganta form near 730 to 900 m.

Baja California Sur, Mexico

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