Calamagrostis canadensis

Common name: Blue Joint Grass

Native plant

A wonderful grass for moist ground stabilization and habitat building. Commonly called blue-joint grass, and the name is no lie.  The grass has a blue cast to it starting early in summer and lasting the rest of the season. It is not as big as some of the cultivars that come out of this genus, but for my money, it might be slightly more attractive. It can be a little aggressive if planted in ideal conditions. In the wild, it can form mats of exclusion when it really likes the site. Our photos are from Paul Marcum, botanist at the U of I. 


Click on each individual photo to enlarge for full size preview.

Price Level: 
Perennial- Standard
Sizing Options: 
Flat of 32 (plugs)
Flat of 18 (pints)
1 Gallon

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Plant Details

Plant type

Grasses, Sedges and Rushes

Soil type

Mesic (Not too Wet Not too Dry), Moist Mesic, Wet

Light exposure

Full Sun

Bloom period


Urban environment

Uncompacted Urban Soils, Harsh Exposure Tolerant, Road-side/Salt Tolerant, Yards that Flood


Floodplain, Prairie Grasslands, Wetlands

Growth form

Dence Growth Form, Colonizing / Spreading, Rhizomatous/stoloniferous

Growth rate


Flower color


Fall color

Yellow Orange


Mature height
3 Feet
Mature width
2 Feet
Max height
5 Feet
Max width
3 Feet

Additional information

Drought Resistant Soil Stabilizer Rain garden suited

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