Ludwigia palustris
Marsh seedbox is a widespread creeping wetland plant of muddy pond margins and ditches, and the wild parent of the red Ludwigia sold for aquariums. It is easy submerged or emersed given bright light and nutrient-rich, soft substrate.
Where it grows wild
Forms prostrate, sprawling mats in shallow water and wet mud along ponds, streams, ditches and reservoirs, favouring humus-rich soils low in calcium.
Recorded from 15 to 2,650 m, median 330 m.
🔒 Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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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 3.0 licence, unmodified.