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Species library › Harrisia › Harrisia earlei
Succulents Well documented

Harrisia earlei

A sprawling to hanging Cuban moonlight cactus from limestone cliffs in Pinar del Río. Its dark green stems reach 2–3 m and it bears very large white night flowers and yellow fruit. It needs tropical warmth all year, bright light and a sharply drained, limy mix.

Harrisia earlei
Photo: CactiLegacy, CC BY-SA 4.0, via Wikimedia Commons
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 on rock (lithophyte)

Where it grows wild

It grows on steep limestone cliffs and rocky slopes among deciduous shrubs, with stems trailing over rock faces.

About 100–400 m.

Cuba (Pinar del Río)

🔒 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 4.0 licence, unmodified.