Dwarf Arctic Blue Willow (Salix purpurea 'Nana')

An Elegant, Cold-Hardy Willow with Silvery Blue Foliage and Exceptional Landscape Versatility

Plant Overview

Common Name: Dwarf Arctic Blue Willow
Botanical Name: Salix purpurea 'Nana'
Plant Type: Deciduous Shrub
Family: Salicaceae
Native Species: Europe and Western Asia (cultivar of Purple Willow)
Hardiness Zones: 3–8

The Dwarf Arctic Blue Willow is a graceful, multi-stemmed deciduous shrub prized for its fine-textured blue-green foliage, slender arching branches, and exceptional adaptability. Its naturally rounded habit and soft silver-blue appearance make it a beautiful addition to both formal and naturalistic landscapes.

Highly tolerant of cold temperatures, wet soils, urban environments, and periodic drought, this dependable shrub performs well in a wide range of garden settings. Whether planted as a low hedge, mass planting, erosion-control shrub, or specimen, Dwarf Arctic Blue Willow provides season-long texture and movement in the landscape.

Quick Facts

• Height: 4–5 feet

• Spread: 5–6 feet

• Plant Type: Deciduous Shrub

• Family: Salicaceae

• Hardiness Zones: 3–8

• Growth Rate: Fast

• Sun Exposure: Full Sun

• Water Needs: Average to Wet

• Maintenance: Low to Moderate

• Growth Habit: Rounded, Multi-Stemmed

• Fall Color: Yellow

• Landscape Value: Outstanding Texture

Growing Conditions

Light

For the healthiest plants and best foliage color, grow in:

• Full Sun

• At least 6 hours of direct sunlight daily

Full sun promotes dense branching and the most attractive blue-green foliage.

Soil

This adaptable shrub thrives in:

• Loam

• Clay

• Sandy soils

• Moist soils

• Well-drained soils

• Wet locations

Unlike many shrubs, Dwarf Arctic Blue Willow performs exceptionally well in areas that periodically remain damp.

Water

This shrub appreciates regular moisture but is remarkably adaptable.

• Average moisture

• Moist soils

• Wet sites

• Flood-prone areas

• Moderate drought tolerance once established

Excellent for rain gardens and low-lying landscape areas.

Foliage Characteristics

The foliage provides the primary ornamental value throughout the growing season.

Foliage Features

• Soft blue-green leaves

• Fine, narrow foliage

• Elegant texture

• Yellow fall color

• Graceful movement in the breeze

The slender leaves create a refined appearance that complements both flowering shrubs and ornamental grasses.

Winter Interest

Even after leaf drop, the shrub remains attractive.

Winter Features

• Fine branching structure

• Slender purple-gray stems

• Attractive rounded form

• Excellent architectural interest

Its colorful stems provide subtle beauty throughout the winter landscape.

Wildlife Benefits

Although primarily grown for foliage, this willow provides ecological benefits.

Supports

• Native pollinators

• Early season insects

• Songbirds

• Beneficial wildlife habitat

Willows are valuable host plants for numerous native butterfly and moth species.

Garden Uses

Dwarf Arctic Blue Willow is one of the most versatile shrubs for northern landscapes.

Recommended Uses

• Low Hedges

• Foundation Plantings

• Rain Gardens

• Pond Edges

• Stream Banks

• Erosion Control

• Mass Plantings

• Wildlife Gardens

• Modern Landscapes

• Naturalistic Borders

• Botanical Collections

Its fine texture pairs beautifully with broad-leaved shrubs and flowering perennials.

Companion Plants

At 19 Birch Lane, Dwarf Arctic Blue Willow combines beautifully with:

• Red Twig Dogwood

• Hydrangeas

• Siberian Iris

• Joe Pye Weed

• Ligularia

• Ornamental Grasses

• Switchgrass

• Coneflowers

• Ninebark

• Winterberry Holly

The cool blue foliage contrasts beautifully with golden, burgundy, and bright green foliage.

Care & Maintenance

This is an exceptionally adaptable and easy-to-grow shrub.

Maintenance Tips

• Water regularly during establishment

• Prune in late winter or early spring

• Remove older stems every few years to rejuvenate growth

• Tolerates hard pruning

• Fertilize lightly in spring if desired

Regular rejuvenation pruning helps maintain a dense, attractive form.

Why We Grow It at 19 Birch Lane

At 19 Birch Lane, Dwarf Arctic Blue Willow is appreciated for its graceful texture, year-round interest, and incredible adaptability. Few shrubs perform as reliably in difficult sites while providing such refined beauty. Its soft blue foliage creates a calming contrast among colorful flowering perennials and shrubs, making it an outstanding structural plant within the botanical collections.

Problems

Generally very reliable.

Possible Issues

• Willow scab

• Leaf rust

• Occasional aphids

• Leaf beetles

Good air circulation and periodic pruning greatly reduce disease concerns.

Plant Finder Details

Botanical Name: Salix purpurea 'Nana'
Common Name: Dwarf Arctic Blue Willow
Plant Type: Deciduous Shrub
Family: Salicaceae
Zones: 3–8
Height: 4–5 feet
Spread: 5–6 feet
Growth Rate: Fast
Bloom Time: Early Spring (catkins, ornamental value is foliage)
Flower Color: Yellow Catkins (insignificant)
Foliage Color: Blue-Green
Fall Color: Yellow
Sun Exposure: Full Sun
Water Requirements: Average to Wet
Maintenance: Low to Moderate
Growth Habit: Rounded, Multi-Stemmed
Tolerates: Wet Soil, Clay Soil, Urban Conditions, Flooding, Cold Temperatures
Wildlife Value: High

Botanical Garden Notes

Dwarf Arctic Blue Willow demonstrates how texture can be just as important as flowers in creating beautiful landscapes. Its graceful blue foliage, elegant branching, and adaptability make it an invaluable structural shrub throughout the gardens at 19 Birch Lane. It performs beautifully along water features, in rain gardens, and as a soft contrast among colorful perennial plantings.

Dwarf Arctic Blue Willow (Salix purpurea 'Nana')

An Elegant, Cold-Hardy Willow with Silvery Blue Foliage and Exceptional Landscape Versatility

Frequently Asked Questions

Is Dwarf Arctic Blue Willow good for wet areas?

Yes. It thrives in moist soils and even tolerates periodically wet or flood-prone locations, making it an excellent choice for rain gardens and pond edges.

Does it need frequent pruning?

Not necessarily. Light pruning every few years helps maintain a dense, rounded shape, but the shrub naturally develops an attractive form.

Is Dwarf Arctic Blue Willow deer resistant?

It has moderate deer resistance. While young growth may occasionally be browsed, established shrubs typically recover quickly.

Can it be used as a hedge?

Absolutely. Its naturally dense branching and fast growth make it an excellent low hedge or screening shrub.

What makes this shrub unique?

Its beautiful blue-green foliage, graceful texture, cold hardiness, and ability to thrive in difficult growing conditions make it one of the most versatile shrubs for northern gardens.