Sedum diffusum

A small mat-forming stonecrop from the limestone ranges around Monterrey in northeastern Mexico, where it creeps over rock faces and shaded ledges. It wants strong light, sharp drainage and a drier, cooler winter, and is easy once it is not kept wet in low light.

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

Grows on limestone rock, cliff ledges and thin soil pockets in the Sierra Madre Oriental foothills, often where some afternoon shade or rock overhang breaks the sun.

Records span 461–2353 m with a median near 990 m; most come from the Monterrey foothills around 700–1000 m.

Mexico Northeast

🔒 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.