Image of Calamagrostis canadensis
Source: Matt Lavin
image of Grass
Calamagrostis canadensis
Bluejoint Reedgrass
Calamagrostide du Canada

Obsolete Names

bluejoint
Canada bluejoint
Canada bluejoint reedgrass
Canada reedgrass
marsh reedgrass
calamagrostis du Canada
foin bleu
No seeds available for this plant.
We currently accept seeds for this plant
Bloom colour: Green Bloom period: Jun - Aug
Max Height: 4.0 feet
Max Width: 3.0 feet (spreads by rhizome)
Light condition:
Full sun More than 6 hours of direct sun a day
Part shade More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Moisture medium Tolerates medium soil condition
Lifespan: Perennial plants that will that come back year after year
Gardener Experience:
plant self seeding Self-seeding
Landscape uses:
wetland garden Suitable for wetland garden
rain garden Suitable for rain gardens
shoreline_rehab Suitable for shoreline rehabilitation
Ecological Benefits: No ecological benefits information available.
Tolerates:
Salt Tolerant Tolerates salt conditions
acidic soil Tolerant Tolerates acidic soil conditions
juglone Tolerant Tolerates juglone conditions
transplantation Tolerant Tolerates transplantation
Special Features and Considerations:
septic tank safe This plant is septic tank safe

Plant Location

Native to Ottawa region: Yes

Distribution according to VASCAN

Distribution: Calamagrostis canadensis
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent
View taxonomy on Canadensys

View on iNaturalist

Thrives in Ecozones

  • Taiga Plains
  • Taiga Shield
  • Boreal Plains
  • Boreal Shield

Ecological Benefits

Butterflies Supported by Calamagrostis canadensis

No butterfly data available for this plant.

Specialized Bees Supported by Calamagrostis canadensis

No bee data available for this plant.

Plants that grow in similar conditions, that bloom at the same time.

Complementary Plants

Substitute For Non-Native Plants

  • Miscanthus (Silvergrass)
  • Cortaderia selloana (Pampas Grass)
  • Phalaris arundinacea (Reed Canary Grass)
  • Pennisetum setaceum (Fountain Grass)

Sowing Information

Download Sowing Label (PDF)
  • Sowing depth: Sow just below surface
  • Sow anytime
  • Stratification duration: 0 days
  • Self-seeding
  • Notes: Can be sown in late spring in warm soil.

Harvesting and Seed Sharing

  • Harvest start month: August
  • Harvesting indicator: Seeds easily fall off when you gently pull them off
  • Harvesting mean: Use hand to detach from main stem
  • Seed viability test: No test needed before donating
  • Packaging measure: A dozen (12) seeds (eyeball)
  • Seed storage: Air dry in paper bag or open container, for a few days until crisp, shaking seeds to move them once in a while to prevent molding
  • At least one cultivar: Yes, do not donate unless you know source, and there are no known cultivars in your garden or at proximity
  • No harvesting video available at this time.

Toxicity Notes

Not known to be toxic to mammals if ingested.