Big and beautiful blue-purple flowers cover these plants from August through October, minty scented foliage is certainly a bonus in an aster, spreads by rhizomes and seed to form colonies, drought tolerant, good fall nectar source, great cut flower, attracts butterflies & bees (including honeybees).
Plant Hardiness Zones: 4a-9b
Native Range: w. NY down through the Appalachian mtns to AL, w. to MT & NM. Rare in IN & OH
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