![Blue Joint Grass, Bluejoint - Calamagrostis canadensis 2](https://tnyards.utk.edu/wp-content/uploads/sites/170/2021/02/blue_joint_grass_prairie_moon.jpg)
Common Name: Blue Joint Grass, Bluejoint
Sun to light shade, wet to medium moisture level, tolerates most soils except rocky, very strongly acid to slightly alkaline pH. 3-5 feet height, blooms in summer, purple flowers, spreads aggressively by rhizomes.
Germination Code: A, D
Native Region: Only occurs in Carter and Unicoi counties
Cool season grass that occurs in wetlands in Tennessee. This grass species frequently occurs in association with sedges and is a valuable species for wetlands restoration. Stands up well in winter.
![Blue Joint Grass, Bluejoint - Calamagrostis canadensis](https://tnyards.utk.edu/wp-content/uploads/sites/170/2021/02/calamagrostis_canadensis_prairie_moon.jpg)