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Carex laxiculmis

A petite perennial sedge with blue-green, semi-evergreen foliage forms foot-tall mounds in moist shade and makes a deer-resistant groundcover for shade gardens.

Is Carex laxiculmis growing in your garden? Record it and all of your plants in Known.

Common Names

Spreading Sedge, Creeping Sedge, Blue Wood Sedge, Loose-Culmed Sedge, Glaucous Woodland Sedge

Summary

Carex laxiculmis, commonly called Spreading Sedge, is native to Canada and the central and southeastern United States, it is an evergreen sedge forming dense, rounded clumps of blue-green, narrow, arching leaves up to 12 inches long, growing about 6-12 inches tall and wide, in late spring to early summer inconspicuous creamy-white flowers appear on triangular flowering stems, giving a subtle bloom, it is deer resistant and suitable as an accent or ground cover in moist woodland gardens, shaded perennial beds or containers, preferring part shade to full shade in medium to wet soils that should not dry out, it tolerates moist conditions and slowly spreads by short rhizomes to form a natural ground cover, maintenance is low, foliage can be cut to the ground in late winter and plants can be propagated by division or seed, it is commonly used as a ground cover or edging for borders, woodland gardens, near ponds or streams, and in container plantings, offering a deer-resistant, native option for shaded landscapes

Lifecycle

Perennial

Height

6-12 inches

Spread

6-12 inches

Hardiness Zones

Zones 5-9

Sunlight Requirements

Ideally Partial Shade to Full Shade; tolerates Partial Sun.

Soil Type

Moist soils

Soil Drainage

Moist but well-drained (moisture-retentive) soil

Soil pH

Tolerates all pH levels

Bloom Color

Insignificant

Bloom Time

Spring to Summer

Foliage Color

Blue-green

Fall Foliage Color

Blue-Green

Leaf Lifecycle

Other

Growth Rate

Slow to colonize

Seasons of Interest

Spring, Summer, Fall, Winter

Propagation Methods

Seeds, Division, Rhizome propagation

Attracts Wildlife

Attracts birds and butterflies, bees, hummingbirds, or other pollinators as attractants.

Taxonomy

Taxonomic Rank
Species
Author
Schwein.
Publication
Ann. Lyceum Nat. Hist. New York 1: 70 (1824)

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Poales
Family
Cyperaceae
Genus
Carex

Inferior Taxa

Carex laxiculmis var. copulata Carex laxiculmis var. laxiculmis

References

Carex laxiculmis | FLNPS. flnps.org.
Carex laxiculmis (spreading sedge): Go Botany. gobotany.nativeplanttrust.org.
Carex laxiculmis (spreading sedge) - Mt. Cuba Cent…. mtcubacenter.org.
Carex laxiculmis | New Moon Nursery. newmoonnursery.com.
Carex laxiculmis - Plant Toolbox - NC State Univer…. plants.ces.ncsu.edu.
Carex laxiculmis (Spreading Sedge) - Gardenia.net. gardenia.net.
Carex laxiculmis (spreading sedge) - Izel Native P…. izelplants.com.
Maine Natural Areas Program Rare Plant Fact Sheet …. maine.gov.
Carex laxiculmis (Spreading Sedge) - Minnesota Wil…. minnesotawildflowers.info.
Plant Finder - Carex laxiculmis - Missouri Botanic…. missouribotanicalgarden.org.
Carex laxiculmis | /RHS. rhs.org.uk.
World Flora Online. worldfloraonline.org. June 2024.