Ferocactus viridescens

The San Diego barrel cactus, a low, often clustering barrel of coastal sage scrub and chaparral in southwestern California and northern Baja California. It wants full sun, a mild Mediterranean climate with cool, slightly wet winters and dry summers, and fast-draining mineral soil.

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 in the ground

Where it grows wild

Grows on dry slopes, mesas and bluffs in coastal sage scrub and open chaparral, often on rocky or gravelly soils near the coast.

Recorded at 14–1,479 m, median 183 m; most plants are near the coast below about 500 m.

CaliforniaBaja 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.