Melocactus acunae

A Cuban Turk's cap cactus of the hot, dry southeastern coast, recorded almost entirely below 200 m. It needs strong light, warmth all year (never cold) and very sharp drainage; once it forms a cephalium it stops growing in body and only flowers.

At home, aim for

Day Warm-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

Coastal xerophytic scrub on limestone terraces and rocky slopes along the south coast of eastern Cuba, as for other Cuban Melocactus.

Recorded at 17 to 177 m, median 45 m.

Cuba

🔒 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. Photo from Wikimedia Commons, used under its CC BY 4.0 licence, unmodified.