Arrowwood

Arrowwood (Viburnum dentatum)

Hardy Privacy Shrub for Ontario and Eastern Canada (Zones 3–7)

Quick Expert Summary

The Arrowwood (Viburnum dentatum) is a moderate-growing, extremely cold-hardy shrub ideal for Ontario and Eastern Canada (Zones 3–7). It typically grows 1–2 ft per year (30–60 cm) and reaches 6-10 ft (2-3 m) at maturity. Best for privacy hedges, wildlife gardens, and mass plantings, it offers showy white spring flowers and excellent adaptability to a wide range of soils.

Why Choose Arrowwood for Ontario and Eastern Canada?

A tough, adaptable native shrub perfect for hedging and naturalized landscapes, with strong tolerance to urban conditions and poor soils.

• Hardiness: Zone 3 (Ideal for Ontario and Eastern Canada Zones 3–7)
• Growth Rate: Moderate
• Best For: Privacy, hedges, ornamental planting
• Maintenance: Low once established
• Key Feature: Flowers and berries
• Native / Non-native: Native to Eastern North America

It adapts well to:

• Poor or average soils
• Moist soils
• Clay, loam, sand, or humus with any pH (acidic to alkaline)
• Urban and rural environments
• Wind, snow load, and roadside conditions (salt tolerant)

Shrub Specifications

Is Arrowwood Right for Your Yard?

Choose Arrowwood if:

• You want privacy within 3–5 years
• You have a small to medium yard
• You live in Zones 3–7
• You want flowers + fall colour + berries
• You need a shrub for hedging or screening

Not ideal if:

• You need a very compact shrub
• You want a plant for deep shade conditions
• You are planting too close to tight spaces (spreads wide)

Best Uses

• Privacy hedges
• Naturalized plantings
• Wildlife habitat
• Foundation or border planting
• Mass plantings

Why it works: Dense branching creates effective screening, flowers attract pollinators, and berries support wildlife.

What Makes Arrowwood Special?

A versatile native shrub offering multi-season interest and ecological value.

• Spring: Flat clusters of white flowers bloom
• Summer: Dense green foliage fills in quickly
• Fall: Yellow to red-purple foliage with dark berries
• Winter: Strong branching structure remains visible

Winter Survival in Ontario and Eastern Canada

Yes, Arrowwood is hardy in Ontario and Eastern Canada Zones 3–7 and tolerates harsh winters, snow load, and freezing temperatures.

First-year tip:

• Add 2–3 inches of mulch
• Water deeply before the first hard frost
• Protect from extreme wind exposure if newly planted

Planting Guide for Ontario and Eastern Canada

Best planting time:

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

Spacing:

• 5–8 ft from foundations
• 6–10 ft between plants for hedges

Watering (first year):

• Water deeply once per week during the first growing season
• Adjust based on rainfall and soil drainage

Quick Answers (FAQ)

How fast does Arrowwood 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 well in Ontario and Eastern Canada Zones 3–7.

Does it need another tree for pollination?
Yes—cross-pollination improves fruit production.

Are the roots invasive?
No, roots are shallow but not invasive.

Is it messy?
Low to moderate—berries may drop in fall.

Compare With Similar Shrubs

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