Please submit a search term.

Pycnanthemum incanum

Common Name(s):
Hoary mountain mint, Hoary mountain-mint, Mountain mint
Categories:
Herbs, Native Plants, Wildflowers
Comment:

Hoary mountain-mint, so called because of the hoary/white appearance of the upper leaves and bracts beneath its flower clusters, is in the Lamiaceae family.  It is an erect, many-branched perennial that typically grows 2-3' tall on square stems like all members of the mint family.   It can be used to help stop erosion it is drought tolerant and grows well even in dry soils. It roots by stems and self seeds easily naturalizing in a landscape so be aware of its weedy tendancies.

Season:
Summer into early fall
Height:
1-3 ft.
Foliage:
1.5 to 4 in. egg- to lance-shaped, toothed, opposite, stalked leaves with white down (hoary) below; square stems
Flower:
Cluster of small, lobed, two-lipped, whitish to lavender flowers with small purple spots; hoary bracts below the flower. Blooms July to September.
Zones:
4-8
Habit:
Erect, many branched
Site:
Woods, thickets average, dry to medium, well-drained soils in full sun to part shade. Best flowering in full sun.
Propagation:
Rhizome rooting and self seeds easily
Exposure:
Full sun to partial shade
Life Cycle:
Perennial
Tags:
naturalize, showy flowers, weedy, drought tolerant, pollinator, butterflies, wildlife, fragrant flowers, showy

NCCES plant id: 2703

Pycnanthemum incanum Leaves and bracts
S.B._Johnny, CC-BY-SA-3.0
Pycnanthemum incanum Flower head
Tom Potterfield, CC BY-NC-SA - 2.0
Pycnanthemum incanum Pycnanthemum incanum
James H. Miller & Ted Bodner, Southern Weed Science Society, CC-BY-SA-3.0