Toxic Plant Known to be toxic - Toxic if ingested.
Image of Caulophyllum thalictroides
Source: Cbaile19
image of Flowering plant
Caulophyllum thalictroides
Blue Cohosh
Caulophylle faux-pigamon

Synonyms

papoose-root
cohosh bleu
léontice faux-pigamon
No seeds available for this plant.
We currently accept seeds for this plant
Bloom Colour: Green Bloom Period: Apr - Apr
Max Height: 2.0 feet
Max Width: 2.0 feet (spreads by rhizome)
Light Condition:
Full shade Less than 2 or 3 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 (Spring Ephemeral)
Gardener Experience:
does not spread Does not spread uncontrollably
plant spread by rhizome Spreads by rhizome
Landscape Uses:
woodland garden Suitable for woodland gardens
Ecological Benefits: No ecological benefits information available.
Tolerates:
Deer Resistant Deer resistant
Rabbit Resistant Rabbit resistant
Acidic Soil Tolerant Tolerates acidic soil conditions
Juglone Tolerant Tolerates juglone conditions
Transplantation Tolerant Tolerates transplantation
Special Features and Considerations:
causes skin rashes This plant causes skin rashes

Plant Location

Native to Ottawa region: Yes

Distribution according to VASCAN

Distribution: Caulophyllum thalictroides
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent

Thrives in Ecozones

  • Atlantic Maritime
  • Boreal Shield
  • Mixed Wood Plains

Ecological Benefits

Butterflies Supported by Caulophyllum thalictroides

No butterfly data available for this plant.

Specialized Bees Supported by Caulophyllum thalictroides

No bee data available for this plant.

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

Complementary Plants

  • No complementary plants found.

Substitute For Non-Native Plants

  • Lamium (Dead nettle)
  • Funkia (Hosta)
  • Myosotis sylvatica (Forget-me-not)
  • Lamium galeobdolon (Yellow Archangel)

Sowing Information

Download Seed Envelope Labels (PDF)
  • Sowing depth: Sow just below surface
  • Sow anytime
  • Stratification duration: 0 days
  • Notes: Multiple dormancy may be needed. Sow promptly. Can be kept in fridge up to 2 months.

Harvesting and Seed Sharing

  • Harvest start month: September
  • Harvesting indicator:
    • Berries are ripen and easily fall off or have fallen off
  • Harvesting:
    • Squeeze berries to extract seeds, wash with soapy water, rinse throroughly
  • Seed viability test:
    • No test needed before donating
  • Packaging measure: Six (6) seeds (eyeball)
  • Seed storage:
    • Keep moisten and cool, in a ziploc bag, in the fridge, with the seeds in soil, paper towel or coffee filter, until donation
  • Cultivar: No, you can donate without knowing the source as there are only straight species
  • No harvesting video available at this time.

Toxicity Notes

Toxic if ingested.