Reed mannagrass (Glyceria maxima)

Reed mannagrass

Also known as: Great manna grass, Swamp grass

The reed mannagrass is an aquatic, perennial grass endemic to Eurasia that grows in damp environments such as riverbanks and ponds. It is deemed harmful in some locations. It is considered very invasive, particularly in Australia, since it may grow into a thick, impermeable monoculture that drives out indigenous species.

Scientific classification

Species

Reed mannagrass (Glyceria maxima)

Grasses, sedges and allies

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Perennial, Annual

Lifespan

Grass

Plant Type

Summer

Bloom Time

60 cm to 90 cm

Plant Height

Green

Leaf Color

2 mm to 3 mm

Flower Size

20 - 35 ℃

Ideal Temperature

Images of Reed mannagrass

Distribution of Reed mannagrass

Distribution Map

Native to major regions across Europe and Asia, reed mannagrass naturally thrives in these habitats. Introduced to other continents, reed mannagrass is cultivated and can be found in specific areas outside its native range. While reed mannagrass has established itself in parts of North America and Oceania, in certain regions it is sometimes thought to be a competitive presence that may have an impact on local ecosystems.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Swamps, Lakes, Ponds, Ditches, Meadows,

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Reed mannagrass

Every week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Pruning: Reed mannagrass is a vigorous perennial grass that thrives in wet habitats. Prune in early spring, cutting old stems to ground level to promote new growth. Regular pruning manages spread and enhances appearance. Use clean tools to prevent disease and avoid pruning during active growth to reduce stress.

Propagation: The perennial grass reed mannagrass thrives in wet areas, spreading via rhizomes. Propagation through division is effective, with clumps separated during active growth. Ensure new sections have ample roots for faster establishment in wet soil, ideally in partial to full sunlight, with regular watering for stable growth.

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Images of Reed mannagrass

Distribution of Reed mannagrass

Care Guide for Reed mannagrass

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