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Carex morrowii - Boott

Common Name Iwashiba, Japanese Sedge
Family Cyperaceae
USDA hardiness 5-9
Known Hazards None Known
Habitats Native to low alpine areas in Japan. Most sedges are found in wetlands – such as marshes, calcareous fens, bogs and other peatlands, pond and stream banks, and riparian zones.
Range E. Asia.
Edibility Rating    (0 of 5)
Other Uses    (4 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care
Fully Hardy Moist Soil Full shade Semi-shade Full sun
Carex morrowii Iwashiba, Japanese Sedge


wikimedia.org Daderot
Carex morrowii Iwashiba, Japanese Sedge
wikimedia.org Daderot

 

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Summary


Physical Characteristics

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Carex morrowii is an evergreen Perennial growing to 0.6 m (2ft) by 0.6 m (2ft in) at a fast rate.
It is hardy to zone (UK) 5.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Carex morrowii var. albomarginata Makino. Carex morrowii var. crassicaulis Franch. Carex morrowii var. morrowii. Carex morrowii f. niigatensis Franch. & Sav. Carex morrowii f. virginea Franch. & Sav.

Habitats

Edible Uses

None Known

Medicinal Uses

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None Known

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Other Uses

Carbon Farming Solutions - Industrial Crop: biomass (Crops grown for non-food uses. Industrial crops provide resources in three main categories: materials, chemicals, and energy. Traditional materials include lumber and thatch, paper and cardboard, and textiles) [1-1]. Carex species are popular in horticulture especially for shady positions. No information was found for Carex morowii but some Carex native species are used in wildland habitat restoration projects, natural landscaping, and in sustainable landscaping as drought-tolerant grass replacements for lawns and garden meadows. Grows well in the shade of trees. Carex morrowii is typically grown for its attractive shape and foliage. Effective accent for smaller gardens. Can be grown in pots.

Cultivation details

Industrial Crop: Biomass  Management: Hay  Regional Crop

Climate: boreal to warm temperate. Humidity: aquatic. Best grown in moist, fertile, medium to wet soils in part shade to full shade. Soils should not be allowed to dry out. In full sun and hot sites foliage tends to bleach to an unattractive yellow. Tolerates: Deer, Heavy Shade, Erosion, Wet Soil. Carbon Farming Solutions - Cultivation: regional crop. Management: hay (Describes the non-destructive management systems that are used in cultivation) [1-1]. .

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Propagation

Propagation is by seed or division in spring.

Other Names

If available other names are mentioned here

Japanese grass sedge, Morrow’s sedge

Found In

Countries where the plant has been found are listed here if the information is available

E. Asia.

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.

None Known

Conservation Status

IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed

Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Carex acutiformisSwamp Sedge, Lesser pond sedge10
Carex aquatilisWater sedge, Sitka sedge10
Carex arenariaSand Sedge22
Carex brizoides 10
Carex buxbaumiiBuxbaum's sedge10
Carex dispalata 10
Carex distichaTworank sedge10
Carex elataTufted Sedge, Golden Variegated Sedge, Tufted Sedge20
Carex hirtaHammer sedge11
Carex kobomugiJapanese sedge10
Carex macrocephalaLargehead sedge10
Carex meyerianaSedge, Wu la cao 00
Carex nebrascensisNebraska sedge00
Carex nubigena 11
Carex paniculata 10
Carex ripariaGreat Pond Sedge10
Carex rostrataBeaded Sedge, Beaked sedge10
Carex utriculataSedge, Northwest territory sedge20

 

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Boott

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