Known to be toxic - Toxic to cats and dogs if ingested.
Source: Donna Bos
Allium cernuum
Nodding Onion
Ail penché
Obsolete Names
nodding wild onion
Seeds available at table Mixed Sun, Dry
We currently accept seeds for this plant
Bloom colour: Purple
Bloom period: Jun - Aug
Max Height: 1.5 feet
Max Width: 0.6 feet
Light condition:
More than 6 hours of direct sun a day
More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Tolerates dry soil condition
Tolerates medium soil condition
More than 6 hours of direct sun a day
More than 2 or 3 hours but less than 6 hours of direct sun a day
Tolerates dry soil condition
Tolerates medium soil condition
Lifespan:
Perennial
plants that will that come back year after year
Gardener Experience:
Suitable for beginner gardeners
Does not spread uncontrollably
Easy to germinate
Self-seeding
Suitable for beginner gardeners
Does not spread uncontrollably
Easy to germinate
Self-seeding
Landscape uses:
Suitable for Right of Way gardens
Suitable for rain gardens
Suitable for container garden
Suitable for school gardens
Tolerates boulevard garden conditions
Suitable for Right of Way gardens
Suitable for rain gardens
Suitable for container garden
Suitable for school gardens
Tolerates boulevard garden conditions
Ecological Benefits:
No ecological benefits information available.
Tolerates:
Tolerates drought conditions
Tolerates salt conditions
Deer resistant
Rabbit resistant
Tolerates limestone conditions
Tolerates juglone conditions
Tolerates transplantation
Tolerates drought conditions
Tolerates salt conditions
Deer resistant
Rabbit resistant
Tolerates limestone conditions
Tolerates juglone conditions
Tolerates transplantation
Special Features and Considerations:
This plant is endangered
This plant is endangered
Plant Location
Native to Ottawa region: No
Thrives in Ecozones
- Montane Cordillera
- Pacific Maritime
- Mixed Wood Plains
Ecological Benefits
Butterflies Supported by Allium cernuum
No butterfly data available for this plant.
Specialized Bees Supported by Allium cernuum
No bee data available for this plant.
Plants that grow in similar conditions, that bloom at the same time.
Complementary Plants
- Coreopsis lanceolata
Lance-leaved Coreopsis
Coréopsis lancéolé - Erigeron strigosus
Rough Fleabane
Vergerette rude - Linum lewisii
Lewis' Wild Blue Flax
Lin de Lewis - Monarda didyma
Scarlet Beebalm
Monarde écarlate - Verbena stricta
Hoary Vervain
Verveine veloutée
Substitute For Non-Native Plants
- Alliums (Non-Native Alliums)
Sowing Information
Download Sowing Label (PDF)
- Sowing depth: Sow just below surface
- Sow by February
- Stratification duration: 60 days
- Self-seeding
Harvesting and Seed Sharing
- Harvest start month: September
- Harvesting indicator: Pods are slightly open and seeds inside are dark
- Harvesting mean: Use hand to detach from main stem
- Seed viability test: No test needed before donating
- Packaging measure: 1 rounded 1/32 teaspoon
- 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
- Harvesting video: Watch here
Toxicity Notes
Toxic to cats and dogs if ingested.