Steeplebush
Hardiness zone: 3
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Steeplebush (Spiraea tomentosa)
Native Pollinator Shrub for Ontario and Eastern Canada (Zones 3–7)
Quick Expert Summary
The Steeplebush (Spiraea tomentosa) is a moderate-growing, extremely cold-hardy native shrub ideal for Ontario and Eastern Canada (Zones 3–7). It typically grows 1–2 ft per year (30–60 cm) and reaches 3–5 ft (1–1.5 m) at maturity with a spread of 2–3 ft (0.6–1 m). Best for pollinator gardens, wet areas, and natural landscaping, it offers vibrant pink summer flower spikes and excellent adaptability to moist, acidic soils.
Why Choose Steeplebush for Ontario and Eastern Canada?
Steeplebush is a resilient native shrub perfectly adapted to Eastern Canadian conditions, thriving in moist environments while supporting biodiversity.
- Hardiness: Zone 3 (Ideal for Ontario and Eastern Canada Zones 3–7)
- Growth Rate: Moderate
- Best For: Ornament, small yards, naturalized areas
- Maintenance: Low once established
- Key Feature: Bright pink summer flower spikes
- Native / Non-native: Native to Eastern North America
It adapts well to:
- Sandy soils
- Loamy soils
- Moist to wet, acidic soils
- Urban and rural conditions
- Wet soils and challenging environments
Tree/Shrub Specifications
| Feature | Details |
|---|---|
| Mature Height | 3–5 ft (1–1.5 m) |
| Mature Spread | 2–3 ft (0.6–1 m) |
| Growth Rate | 1–2 ft per year |
| Hardiness Zone | 3 (Ideal for Ontario and Eastern Canada Zones 3–7) |
| Sun Exposure | Full sun to partial shade |
| Soil Preference | Moist, well-drained to wet soils |
| Water Needs | Moderate to high (regular first year) |
| Drought Tolerance | Low |
| Deer Resistance | Moderate |
| Lifespan | 20–30+ years |
Is Steeplebush Right for Your Yard?
Choose Steeplebush if:
- You want flowering interest within 2–3 years
- You have a small to medium yard
- You live in Zone 3–7
- You want pollinator-friendly blooms + natural appeal
- You need a shrub for moist or wet areas
Not ideal if:
- Your soil is very dry or sandy without irrigation
- You want a fast-growing privacy hedge
- You need a large structural shrub
Best Uses
- Pollinator gardens
- Rain gardens and wet areas
- Naturalized plantings
- Low-maintenance landscape beds
- Wildlife habitat plantings
Why it works: Its dense growth and abundant nectar-rich flowers attract pollinators while thriving in soils where many shrubs struggle.
What Makes Steeplebush Special?
A standout native shrub adapted to wetlands and natural landscapes.
- Spring: Soft green foliage emerges
- Summer: Upright pink flower spikes bloom abundantly
- Fall: Yellow foliage tones
- Winter: Upright stems provide structure
Winter Survival in Ontario and Eastern Canada
Yes, Steeplebush is hardy in Ontario and Eastern Canada Zones 3–7 and tolerates harsh winters, snow, and freezing temperatures.
First-year tip:
- Add 2–3 inches of mulch
- Keep soil consistently moist before freeze
- Protect from extreme drying winds
Planting Guide for Ontario and Eastern Canada
Best planting time:
- Spring (April–June)
- Early fall (September–October)
Spacing:
- 3–5 ft from foundations
- 2–3 ft between plants
Watering (first year):
- Water deeply 1–2 times per week
- Maintain consistently moist soil
- Increase watering in dry periods
Quick Answers (FAQ)
How fast does Steeplebush grow in Ontario?
Typically 1–2 ft per year in good conditions.
Is it cold hardy in Ontario?
Yes. It is hardy to Zone 3 and performs very well in Eastern Canada.
Does it need another tree for pollination?
No—flowers are self-sufficient but attract pollinators.
Are the roots invasive?
No—spreads gradually but is manageable.
Is it messy?
No—minimal maintenance and clean growth habit.
Compare With Similar Trees/Shrubs
| Tree | Growth | Key Feature | Best For |
|---|---|---|---|
| Steeplebush | Moderate | Pink flower spikes, dense upright habit, moisture tolerant | Wet areas, pollinator gardens, naturalized mass plantings |
| Meadowsweet | Slow | White flower clusters, long bloom period, native shrub value | Small gardens, Rain gardens, moist borders |
| Broad-leaved Meadowsweet | Moderate | Soft pink blooms, adaptable native habit, compact form | Naturalized gardens, shrub borders, moist to average soils |
Shipping Across Quebec, Ontario and Atlantic Provinces
- Nursery-grown
- Carefully packaged
- Shipped to your door in Quebec, Ontario and Atlantic Provinces
- Healthy root system guarantee
Explore Related Collections
- Native Shrubs
- Pollinator Plants
- Zone 3 Plants
- Wetland Plants
Related articles:
- Best Shrubs for Wet Soils in Canada
- How to Build a Pollinator-Friendly Garden
Sizes of our plants
Sizes of our plants
Our trees and shrubs are sold in two sizes: small (110 ml volume) and large (310 ml volume).
Volume discount
Volume discount
At OnlineTrees.com, the more you buy, the more you save! We offer a volume discount program that benefits our customers who place large orders! To find out the discount you will receive, based on the value of your order, consult the table below.
From $0.00 to $199.99 = 0% discount
From $200.00 to $299.99 = 5% discount
$300.00 and over = 10% discount
Delivery across Canada - Spring 2026
Delivery across Canada - Spring 2026
Delivery available across Canada. Order now and receive your plants in Spring 2026.
Nursery pickup: A flat preparation and packaging fee of $8 will be added to your bill upon pickup. Select the "nursery pickup" option at checkout on our online store.
Quebec and Ontario: Base fee of $23, plus 20% of the plants' value. Add $5 for signature.
All other Canadian provinces: Base fee of $50, plus 20% of the plant value. Add $5 for signature.
Glossary of trees and shrubs of Quebec
Glossary of trees and shrubs of Quebec
Questions about our terminology? Consult our online glossary .
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