Alnus incana subsp. rugosa
Speckled alder
Aulne rugueux
Obsolete Names
- eastern river alder
- hoary alder
- swamp alder
- tag alder
- aulne blanc rugueux
- aulne hâtif
- vergne
- verne
No seeds available for this plant.
We are not accepting seeds for this plant at the moment.
Bloom colour: Red
Bloom period: April - May
Max Height: 30.0 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:
Tolerates acidic soil conditions
Tolerates acidic soil conditions
Plant Distribution
Native to Ottawa region: Yes
Thrives in Ecozones
- Taiga Shield
- Ecozone-Montane Cordillera
- Hudson Plain
- Ecozone-Boreal Shield
- Taiga Plains
- Ecozone-Taiga_Shield
- Ecozone-Boreal_Plains
- Atlantic_Maritime
- Ecozone-Pacific_Maritime
- Ecozone-Prairies
- Ecozone-Hudson_Plain
- Ecozone-Taiga_Plains
Butterflies Supported by Alnus incana subsp. rugosa
- Limenitis arthemis ssp. astyanax (Red Spotted Purple)
- Lomographa semiclarata (Bluish Spring)
- Melanchra adjuncta (Hitched Arches)
- Sphinx poecila (Poecila Sphinx)
Bees Supported by Alnus incana subsp. rugosa
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 before February
- Stratification duration: 60 days
- Self-seeding
Harvesting Information
- Harvesting indicator: Pods are open
- Harvesting mean: Shake seed head in paper bag
- 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: No, you can donate without knowing the source as there are only straight species