Harrisia fragrans

A sprawling, night-flowering cactus of Florida's Atlantic coast, growing in sandy coastal hammock edges and scrub where it leans on shrubs for support. It wants warmth, humid air and bright but partly broken light, and it is frost tender.

At home, aim for

Day IntermediateTargets 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

Coastal maritime hammock margins and shell or sand ridges near the sea, scrambling through shrubs under a broken canopy. Measured sites are lowland southern and central Florida.

Near sea level; measured sites sit at 10–43 m.

Florida (USA)

🔒 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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More Harrisia

Harrisia bonplandii Harrisia martinii Harrisia pomanensis Harrisia portoricensis Harrisia aboriginum Harrisia gracilis Harrisia tortuosa Harrisia adscendens Harrisia tetracantha Harrisia divaricata Harrisia eriophora Harrisia brookii All 18 →

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 4.0 licence, unmodified.