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Species library › Sesuvium › Sesuvium maritimum
Succulents Well documented

Sesuvium maritimum

Slender sea-purslane is a small, usually annual succulent of salt marshes, beaches and saline flats along the US Atlantic and Gulf coasts, the Caribbean and Mexico, with outlying inland populations on salt plains in Kansas and Oklahoma. It wants full sun, warm summers, salty or brackish moisture and a fresh start from seed each year.

Sesuvium maritimum
Photo: Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 34. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc., Public domain, via Wikimedia Commons
At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Full sunDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

Grows on open sandy or muddy margins of salt marshes, tidal flats, beach overwash and inland salt flats, often with other halophytes. The ground stays damp and saline, and there is no shade.

Sea level to about 250 m on the coast (median 21 m); the inland Kansas salt-plain sites sit near 550 m.

Atlantic coast of the United States (New York to Florida)US Gulf coast (Florida to Texas)Inland salt plains of Kansas and OklahomaGulf and Pacific coasts of MexicoBahamas, Cuba and Puerto RicoBelize and the Leeward Islands

🔒 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. Photo from Wikimedia Commons, used under its Public domain licence, unmodified.