Appearance
''Pycnanthemum incanum'' grows to 2 to 4 feet high by 4 feet wide. The stems are covered with a soft, whitish down. A vigorous and often aggressive grower, this plant spreads by long rhizomes.White blooms appear from July to September. ''Pycnanthemum'' means "dense flower-clusters" in Greek, and the flowers are favored by butterflies, moths, and some species of wasps.
;Varieties
# ''Pycnanthemum incanum'' var. ''incanum'' - Ontario, eastern US
# ''Pycnanthemum incanum'' var. ''puberulum'' Fernald - West Virginia, Alabama, North + South Carolina
Distribution
The plant is widespread across Eastern United States and into Ontario, Canada. It prefers rocky, gravelly or sandy soil, and typically grows in woods, thickets, fields, and hills.;Conservation
It is listed as an endangered species in Vermont and New Hampshire, and in Ontario where there are only two remaining populations located within a single stretch of oak savanna near Burlington. There is currently a recovery strategy in place organized by the Ontario Ministry of Natural Resources to monitor these last populations.
Uses
When crushed, the leaves emit a strong minty aroma, and are often used to flavor teas.References:
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