NC Native Plant Society:
Plant Details

Collinsonia canadensis

Scientific Name:	Collinsonia canadensis
Genus:	Collinsonia
Species Epithet:	canadensis
Common Name:	Canada Horsebalm, Richweed, Hardhack, Heal-All, Horseweed, Ox-Balm and Stone root.
Plant Type	Herb/Wildflower
Life Cycle	Perennial
Plant Family	Lamiaceae (Mint Family)
Native/Alien:	NC Native
Size:	1-3 ft.
Bloom Color(s):	White
Light:	Less than 2 hours of sun per day
Soil Moisture:	Moist
Bloom Time:	August, September, October
Growing Area:	Mountains, Piedmont, Sandhills, Coastal Plain
Habitat Description:	Cove forests, rich forests, especially over calcareous ormafic substrates.
Leaf Arrangement:	Opposite
Leaf Retention:	Deciduous
Leaf Type:	Leaves veined, not needle-like or scale-like
Leaf Form:	Simple
Life Cycle:	Perennial
Wildlife Value:	Has some wildlife value
Landscape Value:	Not Recommended for home landscapes
State Rank:	S5: Secure ^(*Key)
Global Rank:	G5 - Secure ^(*Key)
Notes:	Nectar for woodland bees
Collinsonia canadensis Plant Tom Harville's yard in Cary, NC Oct 2007 Tom Harville This plant is coming to the end of its bloom time and you can note the leaves getting a bit ratty and the seed pods forming under the last blooms.
Close up of the bloom cluster Tom Harville
This species is a robust, tall, bushy herb with the square stems typical of members in the Lamiaceae Family. Blue Ridge Parkway, Haywood Co., NC Bettina Darveaux
The terminal inflorescence (panicle) beginning to emerge in mid-July. Blue Ridge Parkway, Haywood Co., NC Bettina Darveaux
Links:	USDA PLANTS Database Record