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Eelgrass

Zostera

Also called Marine eelgrass, Eelgrasses, Seagrass, Seagrasses

Eelgrass
Photo: The original uploader was Menchi at English Wikipedia., CC BY-SA 3.0

Zostera is a genus of marine seagrasses, not a houseplant, forming underwater meadows in shallow sandy or estuarine seabeds. Most grow as perennials from spreading rhizomes with ribbon-like leaves, and the key to growing them is saltwater and sand, not pots.

Family
Zosteraceae (Zoster family)
Light
Full sun
Water
Grows submerged in seawater or brackish estuary water; it cannot be grown on dry land.
Soil
Sandy or muddy seabed sediment, often in bay mud in estuaries.
How easy
Hard
Safety
Not known to be toxic

About

Zostera is a small genus of widely distributed seagrasses, commonly called marine eelgrass, or simply seagrass or eelgrass. The genus Zostera contains 9 to 15 species, according to different authors.

Where it grows

Zostera marina is found on sandy substrates or, in estuaries, usually submerged or partially floating. Most Zostera are perennial. They have long, bright green, ribbon-like leaves, the width of which are about 1 centimetre (0.4 in). Short stems grow up from extensive, white branching rhizomes. The flowers are enclosed in the sheaths of the leaf bases; the fruits are bladdery and can float.

Uses

Eelgrass has been used for food by the Seri tribe of Native Americans on the coast of Sonora, Mexico. The rhizomes and leaf-bases of eelgrass were eaten fresh or dried into cakes for winter food. It was also used for smoking deer meat. The Seri language has many words related to eelgrass and eelgrass-harvesting. The month of April is called xnoois ihaat iizax, literally "the month when the eelgrass seed is mature".

Other Zostera plants

Species code: za · Species code: Zs · Species code: Zp · Zostera capricorni · Species code: Zl · Dwarf Eelgrass · Seawrack · Zostera mucronata · Species code: Zc · Species code: Zg · Zostera novazelandica · Species code: Zo

Text excerpted from the Wikipedia article Zostera 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.

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