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Species library › Selenicereus › Selenicereus megalanthus
Succulents Well documented

Selenicereus megalanthus

The yellow pitahaya, a climbing, spiny-fruited epiphytic cactus from the Andean forests of Colombia, Ecuador and Peru. It wants steady warmth, humid air and bright filtered light, and is grown for its large night flowers and sweet yellow fruit.

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
No rest periodClimber

Where it grows wild

Climbs trees and rocks in humid premontane and lowland forest on the Andean slopes, rooting along its stems. Wild and cultivated plants are hard to tell apart in records.

Recorded from about 120 to 2,200 m, median around 580 m; cultivation is concentrated at 1,200–1,900 m.

ColombiaEcuadorPeru

🔒 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.