Sallow Sedge is a native North American sedge that thrives in wet to moist conditions where many ornamental grasses struggle. Hardy from zones 3 to 8, this low-maintenance grass-like plant grows 18 to 36 inches tall and spreads 12 to 24 inches wide, making it substantial enough to anchor a rain garden or stream-side planting without overwhelming the space. Unlike many sedges that wilt during hot summers, Sallow Sedge remains attractive through warm weather, thanks to its short, stout rhizomes and dense, upright growth. The plant tolerates deer browsing and erosion with equal grace, making it as practical as it is beautiful.
Partial Sun
Moderate
3-8
36in H x 24in W
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Moderate
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Sallow Sedge produces unusual seedheads that resemble miniature sweetgum balls, clustered tight within the foliage rather than rising above it, giving the plant a distinctive textured appearance from late spring through fall. Its exceptional tolerance for wet soil and continued vigor through summer heat distinguish it from sedges prone to dormancy or decline during drought stress. The sharp-edged leaves that give the genus its name deliver fine textural contrast in wet-soil gardens, while its low maintenance and deer resistance make it a reliable choice for difficult sites that demand both function and form.
Sallow Sedge excels in rain gardens and other applications where wet soil and poor drainage would defeat most ornamental plants. It stabilizes streambanks and wet margins through its rhizomatous root system, reducing erosion while creating habitat structure. The plant's year-round presence and attractive seedheads also serve ornamental purposes in water-conscious gardens and native plant landscapes.
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“Sallow Sedge occurs naturally throughout southern and central Missouri, where it colonizes the moist soils beside ponds, streams, spring branches, and calcium-rich swampy meadows. Its presence across these diverse wet habitats speaks to its adaptability and resilience as a native species. The plant's common name references the sallow (willow) trees that often grow alongside it in these wetland communities, anchoring its identity to the specific landscapes where it evolved.”