Harrisia brookii

A shrubby, many-branched Harrisia endemic to the Bahamas. It reaches up to about 5 m, with 3–4 cm stems and large white night-blooming flowers followed by yellow fruits. It grows in hot, near sea-level coastal scrub, so it wants full sun, warmth all year and a drier 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

Low coastal scrub on limestone in the southern Bahamas. The records come from Long Island, where it grows among shrubs on thin, rocky, fast-draining ground.

Near sea level, at about 0–20 m.

Bahamas

🔒 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-SA 3.0 licence, unmodified.