Dense clusters of tiny white flowers encircle the stem at each leaf axis from July through October, tapered 3" leaves are toothed & up to 1' wide, though normally found in wetlands it tolerates average soil, spreads easily by seed and runners, thrives in floodplains, attracts Bees.
Plant Hardiness Zones: 3b-7a
Native Range: c. AK to NL, south to n. CA & the mountains of GA
Germination - Easy: Cold stratify 10 weeks
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