
Spiraea tomentosa
Steeplebush
Spirée Tomenteuse
Obsolete Names
- hardhack
- tomentose meadowsweet
- spirée rose
- thé du Canada
No seeds available for this plant.
We are not accepting seeds for this plant at the moment.
Bloom colour: Pink
Bloom period: July - September
Max Height: 4.0 feet
Max Width: 3.0 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
Lifespan : Perennial
Gardener Experience:
Suitable for beginner gardeners
Does not spread uncontrollably
Easy to germinate
Landscape uses:
Suitable for shoreline rehabilitation
Suitable for container garden
Suitable for school gardens
Ecological Benefits:
No ecological benefits information available.
Tolerates:
Tolerates salt conditions
Deer resistant
Rabbit resistant
Tolerates limestone conditions
Tolerates acidic soil conditions
Tolerates transplantation
Plant Distribution
Native to Ottawa region: Yes
Thrives in Ecozones
- Atlantic Maritime
- Ecozone-Mixed Wood Plain
- Ecozone-Boreal Shield
- Ecozone-Boreal_Plains
- Atlantic_Maritime
Butterflies Supported by Spiraea tomentosa
- Celastrina ladon (Spring Azure)
- Olethreutes permundana (Raspberry Leafroller)
Bees Supported by Spiraea tomentosa
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: Surface sow
- Sow before February
- Stratification duration: 60 days
- Self-seeding
Harvesting Information
- Harvesting indicator: Pods are brown and crisp and starting to open, seeds are dark and tiny stem attaching to the main stem is brown. Seeds easily fall off pod when shaken, and little stem connecting the pod to the main stem is brown (not green)
- Harvesting mean: Shake seed head in paper bag
- 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
- On Cultivar: Yes, do not donate unless you know source, and there are no known cultivars in your garden or at proximity