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Glyceria septentrionalis - Hitchc.

Common Name Eastern Manna Grass, Floating mannagrass
Family Poaceae or Gramineae
USDA hardiness Coming soon
Known Hazards None known
Habitats Swamps, wet woods, ditches etc[43].
Range Eastern N. America - Vermont and Quebec to British Columbia, south to North Carolina and Texas.
Edibility Rating    (1 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Wet Soil Water Plants Semi-shade Full sun
Glyceria septentrionalis Eastern Manna Grass, Floating mannagrass


USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Miscellaneous Publication No. 200. Washington, DC.
Glyceria septentrionalis Eastern Manna Grass, Floating mannagrass

 

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Summary


Physical Characteristics

 icon of manicon of flower
Glyceria septentrionalis is a PERENNIAL growing to 1.5 m (5ft). The species is hermaphrodite (has both male and female organs) and is pollinated by Wind.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers wet soil and can grow in water.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

 Pond; Bog Garden;

Edible Uses

Edible Parts: Seed
Edible Uses:

Seed[105, 177]. No more details, but the seed is very small and fiddly to harvest[K].

References   More on Edible Uses

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

References   More on Medicinal Uses

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Other Uses

None known

Special Uses

References   More on Other Uses

Cultivation details

We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed here. It will require wet conditions or shallow water.

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

Type a value in the Celsius field to convert the value to Fahrenheit:

Fahrenheit:

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Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).

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Plant Propagation

Seed - sow spring in a greenhouse in a pot standing in 3 - 5cm of water. Surface sow the seed, or only just cover it. Germination should take place within 3 weeks. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in early summer. Division in spring. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.

Other Names

If available other names are mentioned here

Native Range

NORTHERN AMERICA: Canada (Québec (south), Ontario (southeast)), United States (Connecticut, Indiana, Maine (south), Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Illinois, Iowa, Missouri, Oklahoma (southeast), Wisconsin, Alabama, Arkansas, Delaware, Georgia (northeast), Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, Texas)

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 :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Glyceria acutifloraCreeping mannagrassPerennial0.6 0-0  LMHNWeWa10 
Glyceria borealisSmall floating mannagrassPerennial1.5 0-0  LMHSNWeWa20 
Glyceria fluitansFloating Manna Grass, Water mannagrassPerennial0.5 4-8  LMHNWeWa301
Glyceria occidentalisNorthwestern mannagrassPerennial1.0 0-0  LMHSNWeWa10 
Glyceria plicata Perennial0.8 -  LMHSNWeWa10 
Glyceria striataFowl Manna Grass, Fowl mannagrassPerennial1.5 0-0  LMHSNWeWa10 

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

Expert comment

Author

Hitchc.

Botanical References

43236

Links / References

For a list of references used on this page please go here

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