Dudleya densiflora

A rare, clumping Dudleya known only from granite cliffs in San Gabriel and Fish canyons in the San Gabriel Mountains of Los Angeles County, with perhaps 1,700 plants left. Like most Dudleya it grows in the cool, wet winter and rests through the dry summer; overwatering in summer kills it.

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

Sheer granitic rock faces, cliffs and canyon walls, rooted in crevices.

Recorded elevations 30–396 m; the wild population lies in the lower San Gabriel Canyon area at roughly 200–400 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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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.