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Triglochin maritima - L.
                 
Common Name Sea Arrow Grass
Family Juncaginaceae
USDA hardiness 4-8
Known Hazards The green leaves of plants can contain a toxic cyanogenic glycoside, it is especially present during and just after a drought and is particularly toxic to ruminants[76, 85]. Plants growing in Britain are usually perfectly safe, this is probably due to the climate[76].
Habitats Salt marshes and grassy places near the sea[9, 17].
Range Europe, including Britain, from the Arctic south and east to N. Africa, W. and N. Asia. N. America.
Edibility Rating  
Other Uses  
Weed Potential Yes
Medicinal Rating  
Care
Fully Hardy Wet Soil Water Plants Full sun

Summary

Triglochin maritima Sea Arrow Grass


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Triglochin maritima Sea Arrow Grass
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Physical Characteristics
 icon of manicon of flower
Triglochin maritima is a PERENNIAL growing to 0.6 m (2ft).
It is hardy to zone (UK) 5. It is in flower from Jul to September, and the seeds ripen from Aug to October. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Wind.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: neutral and basic (alkaline) soils and can grow in very alkaline and saline soils.
It cannot grow in the shade. It prefers wet soil and can grow in water. The plant can tolerates strong winds but not maritime exposure.

Synonyms
Triglochin elata. Triglochin elatum. Triglochin maritimum

Habitats
 Pond; Bog Garden;
Edible Uses
Edible Parts: Seed;  Stem.
Edible Uses: Coffee.

The white base of the leaf stem can be eaten raw or cooked[46, 61, 85, 103]. Best harvested in late spring, the white base has a pleasant mild sweet taste, somewhat like cucumber[256]. An unpleasant odour is produced whilst the plant is being cooked[74]. The green parts of the plant should not be eaten since they can contain a toxin[172]. Only the bases of leaf stems should be used, and not the bases of flowering stems[256]. See notes at top of the page. Seed - parched and ground into a powder[85, 105, 161, 172, 257]. The roasted seed is a coffee substitute[161, 172, 212].
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.



None known
Other Uses
Soap making.

The ashes of the plant are rich in potassium and can be used in making soap[74].
Cultivation details
Succeeds in shallow water or a bog garden[200]. Possibly requires saline conditions[K].
Propagation
Seed - we have no information for this species but suggest sowing the seed in a cold frame as soon as it is ripe if this is possible. Stand the pots in about 2cm of water. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Division in spring[200]. Larger divisions can be planted out direct into their permanent positions. We have found that it is best to pot up smaller divisions and grow them on in light shade in a greenhouse or cold frame until they are growing away well. Plant them out in the summer or the following spring.
Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
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Author
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Botanical References
17200
Links / References
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Subject : Triglochin maritima  

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