Marsh seedbox is a semi-aquatic perennial herb in the evening-primrose family that forms low mats in wet, muddy ground and shallow water. It is grown in aquariums and aquascapes, and is sometimes a weed in the wild; the key to growing it is constant moisture and bright light.
Family
Onagraceae (Evening-primrose family)
Grows as
Aquatic, Perennial
Light
Full sun, Part shade
Water
Keep the roots constantly wet or submerged; it grows in shallow water or saturated mud.
Soil
Wet, muddy or sandy soil or aquarium substrate that is poor in calcium but rich in humus and nutrients.
Temperature
Temperate; tolerates cool to warm water, protect from hard frost.
How easy
Easy
Native range
Europe to Medit. and Iran, Socotra, DR Congo to S. Africa, N. America to Venezue
Climate
temperate
About
Ludwigia palustris is a species of flowering plant in the evening primrose family known by the common names marsh seedbox, Hampshire-purslane and water purslane. This is an aquatic or semiaquatic perennial herb which grows in moist to wet to flooded areas. It is sometimes a weed. The species epithet palustris is Latin for "of the marsh" and indicates its common habitat.
How to grow it
L. palustris is cultivated for use in aquariums and aquascaping. It is often sold under the names Ludwigia 'super red', Ludwigia 'mini super red', or Ludwigia 'red'.
Where it grows
L. palustris is circumpolar species with a large native range. It occurs in North America, South America, Africa, Asia, and Europe. It occurs as a naturalized or invasive species in Hawaii, Australia, and New Zealand.
Text excerpted from the Wikipedia article Ludwigia palustris by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.