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Species library › Portulaca › Portulaca grandiflora
Succulents Well documented

Portulaca grandiflora

Moss rose, a low succulent annual or short-lived perennial from sandy, sunny ground in southern South America, widely grown for its bright flowers that open in sun. It needs strong light, warmth and sharp drainage; cool, dim or wet conditions quickly end it.

Portulaca grandiflora
Photo: Laogooli, CC BY-SA 3.0, via Wikimedia Commons
At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Dry airBand in Plantistry
Light Full sunDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

Grows on open sandy and gravelly ground, rock outcrops and disturbed sites in grassland and dry scrub, in full sun.

From sea level to about 2,500 m, median 375 m.

Argentina NortheastArgentina NorthwestArgentina SouthBrazil SouthBrazil SoutheastBrazil West-CentralBrazil NortheastUruguayParaguayBoliviaPeru

🔒 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.