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3.5: Lake sedge, hairy sedge

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    Lake sedge in a wetland. Photo courtesy of Peter Dzuik of Minnesota Wildflowers.

    Carex lacustris

    Cool season; Perennial

    Characteristics: 1–4’; open upright; foliage green; flowers yellow-green

    Growing Conditions: moist to wet soils; full sun to heavy shade; standing water tolerant; hardy zones 3–7

    Lake sedge is a colony-forming sedge with strong rhizomes. For this reason, it is good for stabilizing river banks and lake shores, but may be aggressive.


    No nativars are currently available. The plant is not widely available, but can be found at native garden centers.

    Associated Lepidoptera:

    Species that feed on lake/hairy sedge according to the literature are Dion skipper (Euphyes dion), Dukes’ skipper (Euphyes dukesi), sedge witch (Euphyes vestris), marsh eyed brown (Satyrodes eurydice), Appalachian brown (Satyrodes appalachia), and broad-winged skipper (Poanes viator).

    This page titled 3.5: Lake sedge, hairy sedge is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Diane M. Narem and Mary Hockenberry Meyer (Minnesota Libraries Publishing Project) via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.

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