Arnell’s Sedge

(Carex arnellii)

Arnell’s Sedge (Carex arnellii)

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Climate Requirements

Precipitation 14" - 27"
High Temp. 69°F - 78°F
Low Temp. -18°F - 3°F

Summary

Carex arnellii, commonly known as Arnell’s Sedge, is a perennial herbaceous plant native to fens, wet meadows, and riverbanks in Northern Asia. It typically grows at a moderate rate to a height of 1-2 feet (0.3-0.6 meters) and a width of 0.5-1 feet (0.2-0.3 meters). The plant forms dense clumps of narrow, grass-like leaves. The flowers, which appear in the spring, are green or brown and not particularly showy, but they do contribute to the plant’s overall texture in the landscape. The inflorescences are small and clustered, often going unnoticed among the foliage.

Arnell’s Sedge is valued for its ability to thrive in wet conditions, making it an excellent choice for rain gardens, water features, and areas with poor drainage. It is also used for erosion control along waterways. In cultivation, it prefers full sun to part shade and grows best in slow-draining clay or loam soils that retain moisture. While it requires high amounts of water, it is relatively low maintenance once established. Gardeners should be aware that in some conditions, it can spread vigorously, potentially spreading.CC BY-SA 4.0

Plant Description

  • Plant Type: Grass
  • Height: 1-2 feet
  • Width: 0.5-1 feet
  • Growth Rate: Moderate
  • Flower Color: N/A
  • Flowering Season: Spring
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Drainage: Slow, Standing

Common Uses

Erosion Control, Low Maintenance, Water Garden

Natural Habitat

Fens, wet meadows, and riverbanks in Northern Asia

Other Names

Common Names:

Scientific Names: Carex arnellii, Carex maximowiczii, Carex subconcolor, Carex sylvatica, Carex sylvatica, Carex turczaninoviana, Carex turczaninoviana, Carex turczaninowiana, Carex turczaninowiana

GBIF Accepted Name: Carex arnellii