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Species library › Ludwigia › Ludwigia longifolia
Other Well documented

Ludwigia longifolia

A tall, emergent primrose-willow (Onagraceae) from marshes and wet grasslands of southern Brazil, Uruguay, Paraguay, northeastern Argentina and Bolivia. It has long narrow leaves, large yellow flowers and winged stems. It suits a sunny pond margin or bog garden and has naturalised in Florida, Australia and Japan, so do not plant it near natural wetlands in those places.

Ludwigia longifolia
Photo: Daniel Dias, 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 Full sunDLI and PPFD in Plantistry
No rest periodAquatic

Where it grows wild

Marshes, ditches, lake and river margins, and wet grasslands, rooted in saturated soil or shallow water.

From sea level to about 1,550 m (median of records 580 m).

BrazilUruguayArgentinaParaguayBolivia

🔒 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.