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Species library › Ludwigia › Ludwigia grandiflora
Other Well documented

Ludwigia grandiflora

Large-flower primrose-willow, an emergent water plant of pond margins and wetlands in the warm-temperate Americas. It is easy to grow and spreads fast, and it is a banned invasive in the EU and regulated in several US states, so check local law first.

Ludwigia grandiflora
Photo: Bouba at French Wikipedia, CC BY-SA 3.0, 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 Full sunDLI and PPFD in Plantistry
No rest periodAquatic

Where it grows wild

Forms dense mats at pond margins, in shallow water and on wet banks; spreads mostly by stems.

Few records carry an elevation; mostly lowland.

Southeastern United StatesCaliforniaOregonCubaGuatemalaArgentinaUruguayParaguayBoliviaBrazil

🔒 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.