// SPECIES PROFILE · PERENNIAL · NATIVE
Marsh seedbox (Ludwigia palustris) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–13a. Mature size 6"–2'. Blooms Mar–May.

[ growing · ecology · siting · care ]
Marsh seedbox (Ludwigia palustris) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–13a. Mature size 6"–2'. Blooms Mar–May.
Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.
[ guild · polyculture · cross-layer pairings ]
In the same native range, marsh seedbox pairs naturally with: Common selfheal (Prunella vulgaris), Coon's tail (Ceratophyllum demersum), Leafy pondweed (Potamogeton foliosus), Leafy pondweed (Potamogeton foliosus ssp. foliosus).