Dudleya parva

Conejo dudleya is a tiny rhizomatous Dudleya, forming clusters of rosettes 1–6 cm across, known only from a 16 km ridgeline in the Conejo Valley area of Ventura and Los Angeles counties, California. It grows on north-facing cliffs of Conejo volcanics and adjacent grassland, grows in the winter rains and loses its leaves in summer, surviving as rootstock.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

North-facing cliffs and rocky outcrops of Conejo volcanic rock and the thin clay grassland next to them, within coastal sage scrub country.

Recorded at 91–335 m (median 275 m).

California

🔒 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.