Heath Sedge

(Carex flacca)

Heath Sedge (Carex flacca)

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Estimated Native Range
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Summary

Carex flacca, commonly known as Heath Sedge, is an evergreen perennial grass native to a variety of habitats including grasslands, open woodlands, and forest edges across Europe and Western Asia. It typically forms dense clumps reaching 6–12 inches (15–30 cm) in height, with distinctive blue-green leaves that are glaucous beneath. This sedge is valued for its low maintenance and ability to thrive in a range of conditions, making it a versatile choice for gardeners.

Heath Sedge is appreciated for its textural foliage and adaptability, often used as a groundcover or accent plant in gardens, public landscapes, and for erosion control. It is particularly useful in drought-tolerant landscaping due to its ability to cope with dry conditions once established. While it prefers full sun to part shade, Carex flacca is not overly fussy about soil type, tolerating standing, slow, or medium drainage. However, it can spread quite readily, which may be a concern in small garden spaces or where a tidy appearance is desired.CC BY-SA 4.0

Plant Description

  • Plant Type: Grass
  • Height: 0.5-1 feet
  • Width: 1-1.5 feet
  • Growth Rate: Moderate, Slow
  • Flower Color: N/A
  • Flowering Season: Summer
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Medium, High
  • Drainage: Medium, Slow, Standing

Common Uses

Bank Stabilization, Bird Garden, Butterfly Garden, Deer Resistant, Drought Tolerant, Erosion Control, Groundcover, Low Maintenance, Potted Plant, Rock Garden, Salt Tolerant, Street Planting, Water Garden

Natural Habitat

Grasslands, open woodlands, and forest edges

Other Names

Common Names: Glaucous Sedge , Blue Sedge , Flabby Sedge , Blue-Green Sedge , Carnation-Grass , Gray Carex , Hesgen Lwydlas Y Calch , Blågrøn Star , Blaugrüne Segge , Schlaffe Segge

Scientific Names: Carex flacca , Carex serrulata , Carex glauca subsp. serrulata , Carex petraefurvii

GBIF Accepted Name: Carex flacca Schreb.