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Species library › Leptocereus › Leptocereus grantianus
Succulents Little published: much of this is inferred from related species

Leptocereus grantianus

A very rare, nearly spineless sprawling cactus known only from coastal scrub on Culebra Island, Puerto Rico. It needs year-round warmth, bright light and only a mild drier season; it never experiences cold.

Leptocereus grantianus
Photo: C Pacheco, USFWS, Public domain, via Wikimedia Commons
At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

Dry coastal scrub and thicket on rocky slopes and shorelines close to the sea, where stems scramble among shrubs.

Near sea level, on low coastal hills of Culebra.

Puerto Rico (Culebra Island)

🔒 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.