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Species library › Ludwigia › Ludwigia irregularis
Other Little published: much of this is inferred from related species

Ludwigia irregularis

A little-documented primrose-willow from the lowlands of southern Brazil, known from only a handful of wild records in Santa Catarina and Rio Grande do Sul. Like its relatives it is a sun-loving herb of wet ground and shallow water, and the measured climate is humid subtropical with warm summers and cool winter nights.

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

Where it grows wild

Nothing species-specific is published beyond the original description; Ludwigia species in this region grow in marshes, ditches, pond margins and wet meadows, rooted in saturated soil or shallow water.

Records sit near sea level, around 7–75 m.

Brazil (Santa Catarina)Brazil (Rio Grande do Sul)

🔒 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.