Blephilia hirsuta - HAIRY WOOD MINT

An upright perennial with clusters of pale lilac to whitish, fragrant flowers, aromatic minty leaves, and stems that do not branch much. This plant can bloom for very long time.

Provides excellent pollinator support, offering pollen and nectar to a variety of bees, butterflies and other insects. Good source of nectar for adult monarchs.

Best in woodland gardens, shade gardens, naturalistic plantings, moist woodland edges or clearings.

Picture copyright : benet2006, Commons Wikipedia

Blooming Time: July to September
Size: up to 3' tall x 1.5' wide
USDA Zones: 4 to 8
Culture: full sun to half shade and average, loamy, organic-richer soils
Moisture Needs: medium
Origin: native to the Eastern and northcentral United States, Ontario and Quebec (USDA distribution map)
Deer/Rabbit Resistant: yes / yes
Attracts Butterflies or Pollinators: the main pollinators are native bees (long-tongued bees, bumblebees, little carpenter bees, mason bees, leaf-cutting bees, cuckoo bees, long-horned bees, Anthophorid bees  and honey bees); other visitors include Halictid bees, wasps, bee flies, thick-headed flies, Syrphid flies, butterflies, and skippers. 
Attracts Hummingbirds: no
Pot Size: square 3.5" x 5" deep pot