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Red swampfire

Salicornia rubra

Also called Red samphire, Red Saltwort, Rocky Mountain Glasswort, Red Glasswort, Western Glasswort, Western Samphire

Red swampfire
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0

Salicornia rubra is a small, fleshy, salt-tolerant annual that grows in salty marshes, tidal flats and alkaline wet ground, mostly in cold northern and high-elevation areas of North America. It is grown mainly as a salt-tolerant curiosity or for coastal and saline-soil restoration, and it needs saline or alkaline conditions to thrive.

Family
Amaranthaceae (Amaranth & beet family)
Grows as
Annual
Light
Full sun
Water
Keep the soil constantly moist, ideally with saline or brackish water.
Soil
Saline, sandy or silty soil, or mud with a high salt content.
Temperature
Tolerates cold; hardy in subarctic conditions.
How easy
Moderate
Native range
Subarctic America to WC. & C. U.S.A.
Climate
temperate

About

Salicornia rubra, commonly known as the red glasswort or Rocky Mountain glasswort, is a species of flowering plant in the family Amaranthaceae. It is native to colder or higher areas of North America; the Yukon, Nunavut, British Columbia, Alberta, Saskatchewan, Manitoba, and Ontario in Canada, and the western and north-central United States. It has been introduced to Quebec and Michigan, and has gone extinct in Illinois. A halophyte, it is one of the most salt-tolerant plants of North America.

Other Salicornia plants

Dwarf saltwort · Glasswort · Beaded Glasswort · Virginia Glasswort · Glasswort · Salicornia blackiana · Salicornia fruticosa · Salicornia pacifica · Glasswort

Text excerpted from the Wikipedia article Salicornia rubra 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.

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