Alnus incana
Grey alder
Aulne blanc
Obsolete Names
- gray alder
- hoary alder
- aulne gris
No seeds available for this plant.
We are not accepting seeds for this plant at the moment.
Bloom colour: Green
Bloom period: April - May
Max Height: 40.0 feet
Max Width: 15.0 feet (spreads by rhizome)
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 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 medium soil condition
Lifespan : Perennial
Gardener Experience:
Easy to germinate
Easy to germinate
Landscape uses:
Suitable for wetland garden
Suitable for shoreline rehabilitation
Suitable for wetland garden
Suitable for shoreline rehabilitation
Ecological Benefits:
Supports pollinators
Fixes nitrogen in the soil
Supports pollinators
Fixes nitrogen in the soil
Tolerates:
Plant Distribution
Native to Ottawa region: Yes
Thrives in Ecozones
- Taiga Shield
- Ecozone-Mixed Wood Plain
- Ecozone-Montane Cordillera
- Hudson Plain
- Ecozone-Boreal Shield
- Taiga Plains
- Ecozone-Taiga_Shield
- Ecozone-Boreal_Plains
- Atlantic_Maritime
- Ecozone-Hudson_Plain
- Ecozone-Taiga_Plains
Butterflies Supported by Alnus incana
- Lomographa semiclarata (Bluish Spring)
- Melanchra adjuncta (Hitched Arches)
- Sphinx poecila (Poecila Sphinx)
Bees Supported by Alnus incana
No bee data available for this plant.
Complementary Plants Plants that grow in similar conditions, that bloom at the same time.
- No complementary plants found.
Sowing Information
- Sowing depth: Sow just below surface
- Sow anytime
- Stratification duration: 0 days
- Self-seeding
Harvesting Information
- Harvesting indicator: Pods are released from plant
- Harvesting mean: Use hand to detach from main stem
- Seed Viability Test: No test needed before donating
- Packaging Measure: Six (6) 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
- On Cultivar: Yes, do not donate unless you know source, and there are no known cultivars in your garden or at proximity