Telephone: 608.223.3571 Fax: 608.884.4640 Email: ecosolutions@agrecol.com Green foliage grows to 3 feet tall in full sun to part shade, forming erect tufts. Manna Grass, an excellent pond plant is great when planted in moist soils near ponds, streams, wetlands, marshes and bog areas. Click below on a thumbnail map or name for species profiles. ... range from yellow to green in colour, with a purplish tinge. Similar taxa. Glyceria maxima. Poaceae (grass) Also known as. Europe. Tall Mannagrass is a rapidly establishing native species suitable for restoration of swamps, the edges of marshes, ponds, and streams, and other wetland plant communities where … Plant Description Manna Grass or Glyceria-maxima, is an ornamental grass with flat, medium-green leaf blades and attractive panicles. Reed Sweet Grass is a tall perennial grass that provides superb cover for wildfowl and other wildlife. Habitat: Glyceria maxima is a wetland obligate species (plant that has occurred in wetland habitat 99% of the time it was sampled), which typically grows in rivers, streams, dams, and ponds. What does it look like? With a vigorous habit, British native Glyceria maxima is perfect for creating natural looking planting schemes around large ponds and wetlands. Throughout summer, upright stems are thrown up bearing delicate sprays of brown flowers. Glyceria, swamp grass, water meadow grass, Poa aquatica. Small dark brown seeds are produced prolifically throughout summer and autumn. Leaves are bright green, 30-60cm long by 0.7-2cm wide, held on stout, unbranched, erect stems. Glyceria maxima. Tall Mannagrass Glyceria maxima. Tall Mannagrass is a long lived, cool season perennial bunchgrass. Where is it originally from? Flowers appear in spring in The Plants Database includes the following 18 species of Glyceria . Glyceria maxima is a poor food-plant and nesting substrate for wetland wildlife. Join our friendly community that shares tips and ideas for gardens, along with seeds and plants. Reed sweet-grass (Glyceria maxima) is regarded as a significant environmental weed in Victoria, Tasmania, New South Wales and Western Australia. Glyceria grandis: leaves with blades mostly 4.5-12 mm wide and smooth sheaths, and upper glumes 1.5-2.7 mm long (vs. G. maxima, with leaves with blades mostly 8-18 mm wide and minutely scabrous sheaths and upper glumes mostly 3-4 mm long). Reed Sweet Grass – Glyceria maxima: What to look for Reed Sweet Grass or Glyceria maxima– is a robust, perennial grass that grows 90-250cm in height. Members can view this photo in high resolution. Leaf blades are flat with a prominent midrib and rough margins. Flowering occurs in spring and summer. Aggressive, perennial, mat-forming grass (<1.9 m tall) with fibrous roots and rhizomes and an erect or lax stem. 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