Crassula flava

A Cape Crassula described by Linnaeus, with erect stems and heads of yellow flowers, as the name says. The measured sites are cool, humid coastal ones in the south-western Cape with winter rain. Grow it as a winter grower with a dry summer rest.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Grows in fynbos and renosterveld on sandy or rocky ground in the south-western Cape. Details are not published in sources we could reach.

Few records carry an elevation; the measured sites have a mild, damp maritime climate close to the coast.

Cape Provinces

🔒 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.