Dudleya arizonica

A chalky-white rosette Dudleya of rock faces and crevices in the Sonoran and Mojave deserts, from Baja California to southwest Utah. It grows in the mild, wetter winter and sleeps through the hot summer, so it wants full sun, sharp drainage and little water from June to September.

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 desert slopes, cliffs and crevices, including limestone outcrops in Utah and isolated desert ranges in Baja California. It wedges into rock where water drains away at once.

Recorded from 48 to 1468 m, median about 800 m.

ArizonaCaliforniaBaja CaliforniaSonoraNevadaUtah

🔒 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.