Red-osier Dogwood

Red-osier Dogwood (Cornus sericea)

Winter Interest and Erosion Control Shrub for Ontario and Eastern Canada (Zones 2–7)

Quick Expert Summary

The Red-osier Dogwood (Cornus sericea) is a fast-growing, extremely cold-hardy shrub ideal for Ontario and Eastern Canada (Zones 2–7). It typically grows 1.5–3 ft per year and reaches 6–20 ft at maturity. Best for privacy screens, erosion control, and naturalized plantings, it offers striking red stems in winter and excellent tolerance to wet soils and harsh conditions.

Why Choose Red-osier Dogwood for Ontario and Eastern Canada?

A tough native shrub that thrives in cold climates and wet soils, perfect for adding winter colour and stabilizing landscapes.

• Hardiness: Zone 2 (Ideal for Ontario and Eastern Canada Zones 2–7)
• Growth Rate: Fast
• Best For: Privacy / Windbreak / Ornament / Naturalization
• Maintenance: Low once established
• Key Feature: Bright red winter stems
• Native / Non-native: Native to Eastern Canada

It adapts well to:

• Wet and poorly drained soils
• Moist, rich soils
• Clay and loamy soils
• Urban and rural conditions
• Flooding, snow load, and cold climates

Shrub Specifications

Is Red-osier Dogwood Right for Your Yard?

Choose Red-osier Dogwood if:

• You want privacy or screening within 2–4 years
• You have a medium to large yard
• You live in Zone 2–7
• You want winter colour + wildlife benefits
• You need a shrub for wet areas, slopes, or naturalized zones

Not ideal if:

• Your yard is very small
• You prefer a very formal, low-maintenance shape (requires occasional pruning)
• You are planting in very dry soils

Best Uses

• Privacy hedge
• Wind protection
• Erosion control on slopes
• Rain gardens and wet areas
• Wildlife habitat

Why it works: Red-osier Dogwood spreads by stolons, forming dense thickets, making it excellent for soil stabilization. Its flowers attract pollinators, and white berries feed birds, while stems provide year-round visual interest.

What Makes Red-osier Dogwood Special?

A standout native shrub with strong four-season appeal.

• Spring: Clusters of small white flowers
• Summer: Dense green foliage and vigorous growth
• Fall: White berries and reddish foliage
• Winter: Bright red stems create dramatic contrast against snow

Winter Survival in Ontario and Eastern Canada

Yes, Red-osier Dogwood is hardy in Ontario and Eastern Canada Zones 2–7 and thrives in harsh winter climates, including heavy snow and freezing temperatures.

First-year tip:

• Add 2–3 inches of mulch
• Keep soil moist before freeze-up
• Prune older stems in late winter to encourage bright new growth

Planting Guide for Ontario and Eastern Canada

Best planting time:

• Spring (April–June)
• Early fall (September–October)

Spacing:

• 6–10 ft from foundations
• 4–6 ft between plants for hedges

Watering (first year):

• Water deeply once or twice per week
• Increase frequency in hot or dry conditions

Quick Answers (FAQ)

How fast does Red-osier Dogwood grow in Ontario?
Typically 1.5–3 ft per year, making it a fast-growing shrub.

Is it cold hardy in Ontario?
Yes. It is hardy to Zone 2 and performs well in Zones 2–7.

Does it need another plant for pollination?
No—self-fertile and produces berries on its own.

Are the roots invasive?
Not invasive, but it spreads by stolons and can form colonies—ideal for naturalized areas.

Is it messy?
Low to moderate—berries and leaves drop seasonally.

Compare With Similar Shrubs

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Explore Related Collections

• Shrubs
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Related articles:

• Best Shrubs for Winter Interest in Canada
• How to Stabilize Slopes with Native Plants