Pilosocereus jamaicensis

A tall, branching tree cactus of Jamaica's hot, dry south coast and the Cayman Islands, with bluish ribbed stems and woolly flowering areoles. It needs year-round warmth, strong sun and a dry spell in winter.

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

Grows in dry coastal thorn scrub and dry limestone forest, such as the Hellshire Hills and Portland Ridge, on rocky limestone near sea level.

Lowland; the measured sites sit at about 10-110 m.

JamaicaCayman Isl.

🔒 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.