Midewin National Tallgrass Prairie
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  • Slender Mountain Mint

    SCIENTIFIC NAME: Pycnanthemum tenuifolium

    COMMON NAMES: Slender Mountain Mint, Slender-leaved Mountain Mint, Narrowleaf Mountain Mint

    BLOOM TIME: June, July, Aug, Sept


    • Plant height 1-3 ft. tall.
    • Hairless pointed leaves 2 in. long x ΒΌ in. wide.
    • Foliage has a mild minty scent & stronger mint taste.
    • Plant has a delicate, airy appearance, & small white flowers bunching at the top.
    • More common in mid to southern Illinois.
    • Habitat: open woods, prairies, & pastures.
    • Native Americans used to bait mink traps with it.
    • They also made a tea to treat run down conditions & for seasoning in cooking.


    • Seeds are too small to be of much interest to birds.
    • Mammals usually don't browse on this plant because of the minty taste.
    • Flowers are very attractive to many kinds of insects.