Pilosocereus robinii

A tall, branching columnar cactus of coastal limestone hammocks in the Florida Keys, Cuba and the Bahamas, endangered in Florida. It lives in a frost-free, humid maritime climate with a wet summer and a drier winter, so it wants warmth year round and more tolerance of humidity than most columnar cacti.

At home, aim for

Day Warm-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 in the ground

Where it grows wild

Grows on thin soil over coral limestone in coastal tropical hardwood hammocks and their sunny edges, often partly shaded by surrounding shrubs and trees.

Near sea level; recorded sites lie between about 1 and 30 m.

FloridaBahamasCuba

🔒 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 Public domain licence, unmodified.