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Species library › Ludwigia › Ludwigia major
Other Well documented

Ludwigia major

A large emergent water-primrose of marshes and wet ground in the lowlands of northeastern Argentina, southern Brazil, Paraguay and Uruguay. It wants full sun, wet roots and warm summers, and tolerates cool winters.

At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Full sunDLI and PPFD in Plantistry
No rest periodAquatic

Where it grows wild

Grows in marshes, ditches and the edges of lakes and slow rivers in the Paraná–Uruguay lowlands, rooted in wet mud.

Lowland, 6–835 m, median about 85 m.

Argentina (Northeast)Brazil (South)Brazil (Southeast)ParaguayUruguay

🔒 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.