Ludwigia bonariensis
The Carolina primrose-willow, a tall perennial wetland herb with yellow flowers, found from the southeastern United States and Mexico to Paraguay and Argentina. It wants full sun, wet ground and a cool winter.
Where it grows wild
Marshes, wet ditches, pond margins and wet grassland, rooted in saturated or shallowly flooded soil.
Recorded from sea level to about 2,080 m, median about 200 m.
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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-SA 2.0 licence, unmodified.