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.


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Plant Details

Plant type


Soil type

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

Light exposure

Full Sun

Bloom period


Urban environment

Uncompacted Urban Soils, Yards that Flood


Prairie Grasslands

Growth form

Colonizing / Spreading, Rhizomatous/stoloniferous

Growth rate


Flower color


Fall color

Yellow Orange


Mature height
3 Feet
Mature width
1 Inches
Max height
5 Feet
Max width
1 Inches

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