Palm sedge is a native Missouri sedge that earns its common name from the way its pointed, grass-like leaves radiate from upright stems, resembling miniature palm fronds. This dense, clump-forming perennial grows 24 to 36 inches tall and spreads 12 to 36 inches wide, thriving in hardiness zones 4 to 9. Light green foliage and an elegant upright habit make it a striking choice for ground cover, rain gardens, and naturalized areas, where it slowly establishes itself through rhizomes and self-seeding.
Partial Sun
Moderate
4-9
36in H x 36in W
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Moderate
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The distinctive radiating leaf pattern sets this sedge apart, creating a tropical textural effect that belies its hardy, low-maintenance nature. Found naturally in wooded swamps and river flood plains across Missouri, it adapts equally well to constantly moist soils and shallow water (3 to 4 inches deep) as it does to drier ground, though it dislikes prolonged drought. Deer leave it alone, and it asks for nothing more than a late-winter cutback to the ground to make way for fresh spring growth.
Palm sedge serves as a ground cover in moist landscapes, a naturalized accent in rain gardens and water gardens, and a water plant for shallow-water applications. Its dense, clump-forming habit and slowly spreading rhizomes make it suitable for stabilizing wet areas and creating texture in shade-to-sun transitions where many ornamental grasses struggle.
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Cut back palm sedge to ground level in late winter to clear away old foliage and make room for new growth in spring. This annual cutback prevents the clump from becoming overgrown and keeps plants vigorous.
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“Carex muskingumensis is native to Missouri, where it grows wild in wooded swamps and along river flood plains. Its presence across the wetland landscapes of the region speaks to its deep adaptation to moist, fertile soils and partial shade environments characteristic of bottomland forests. The plant has long been valued for its ornamental foliage effect and its ability to naturalize in landscapes, gradually spreading through rhizomes to establish itself as a living ground cover.”