Paper birch

Sun

Full sun to light partial shade; keep the root area cool.

Water

Moderate to high; needs consistent moisture but not permanently waterlogged soil.

Soil

Moist, well-drained, acidic to neutral soil, preferably loamy or sandy. Avoid compacted ground and strongly alkaline soil.

Height

50-70 ft (15-21 m)

Spread

25-40 ft (7.5-12 m)

Flowers

Spring: yellow-brown male catkins and smaller green female catkins, appearing around leaf emergence.

Foliage

Green, oval to triangular leaves with pointed tips and toothed edges; turns yellow in autumn. Young bark is brown before developing the characteristic white, peeling surface.

Growth

Moderate to fast in cool, moist conditions.

Care needed

Medium

• Cold hardy
• Wildlife

Northern hemisphere months. In Australia, shift them by six.

Difficulty

Moderate

Toughness

Needs looking after

Pick your zone, country, light and whether you have pets.

1. Planting day

   7 ft (2.2 m)

2. After 1 year

   10 ft (3.2 m)

3. After 2 years

   14 ft (4.1 m)

4. After 3 years

   17 ft (5.1 m)

5. After 5 years

   23 ft (7.1 m)

About 16 years to full size.

From a typical nursery size, at an average rate for this kind of plant. A rule of thumb, not a forecast.

Cats and dogs

Safe

Native to

the US and Canada

Growth rate

Fast

• Plant in autumn or early spring with the root flare at soil level, away from hot paving and reflected heat.
• Water deeply during dry spells, especially through the first two or three growing seasons; do not let the root zone dry out completely.
• Spread 2-3 in (5-8 cm) of organic mulch over the root area, leaving a clear gap around the trunk.
• Keep lawn competition, digging and heavy foot traffic away from the shallow roots.
• Feed only if a soil test or poor growth indicates a deficiency; avoid routine high-nitrogen feeding.
• Do not pull off attached bark or damage the trunk with mowing equipment.

Pruning. Prune sparingly in late autumn or early winter, removing dead, damaged or crossing branches while retaining the natural shape. Avoid late-winter and spring pruning, when cuts can bleed sap heavily, and never top the tree.

Early spring

Plant while dormant if the soil is workable, and water thoroughly.

Spring

Refresh the mulch without burying the root flare; check new growth for leaf damage.

Summer

Water deeply during dry weather and inspect the upper crown for thinning or dieback.

Autumn

Plant container-grown or suitable dormant nursery trees once conditions are cool and moist.

Late autumn

Remove small dead or crossing branches if needed; have large or declining limbs assessed by an arborist.

Winter

Check young trunks for browsing damage and keep protective guards loose and clear of trapped debris.

• Use as a specimen against dark evergreen planting to show the white bark.
• Plant a loose group in a large lawn or woodland edge for repeated pale trunks and filtered shade.
• Combine with ferns, sedges and spring woodland flowers in a cool, lightly shaded border.
• Place where the bark can be seen from a window in winter, allowing enough space for the mature crown.

Garden styles it suits: Woodland, Wildlife garden, Winter interest, Scandinavian, New England and Mountain lodge.

Plant it with: Christmas fern, Lady fern, Foamflower, Wild ginger, Pennsylvania sedge and Red-osier dogwood.

Wildlife: Supports many moth and butterfly caterpillars in its native range. Small birds eat the seeds, and the canopy provides nesting and shelter; deer and other browsing mammals may damage young trees.

• Bronze birch borer in North America: upper-crown dieback and D-shaped exit holes are warning signs. Prevent drought stress and seek an arborist's assessment promptly; severely affected trees may need removal.
• Birch leafminers: pale blotches develop inside leaves. Healthy trees usually tolerate light damage; conserve beneficial insects and seek locally approved treatment only for repeated severe attacks.
• Heat and drought stress: leaf scorch, early leaf drop and crown decline can follow hot, dry summers. Water deeply, mulch broadly and avoid planting in climates or sites that remain too hot.
• Iron chlorosis on alkaline soil: leaves turn yellow while veins remain greener. Test the soil and address the cause; choosing a suitable site is more reliable than repeated corrective treatments.

Not known to be toxic to cats, dogs, horses or people. No part is generally recognised as poisonous, although eating bark or other plant material can cause digestive upset. Windborne pollen can trigger allergies.

• Silver birch (Betula pendula)

  Usually has more pendulous young branches, smaller triangular leaves and dark, deeply fissured bark at the base of older trunks; paper birch develops broader papery peeling sheets.

• Grey birch (Betula populifolia)

  Usually smaller, with long-pointed triangular leaves, conspicuous dark triangular marks beneath branches and grey-white bark that does not peel in broad sheets.

• Himalayan birch (Betula utilis)

  White-barked garden forms can look very similar, but commonly have more oval, coarsely toothed leaves and smoother, bright white trunks. Bark colour alone is not a reliable distinction.

The epithet papyrifera means 'paper-bearing', referring to the bark that peels into thin, papery sheets.

Propagation. Usually grown from seed. Collect ripe seed in autumn and surface-sow in a protected outdoor seedbed or pots; cold, moist stratification can improve germination. Keep the fine seed moist and exposed to light.

Accepted botanical name

Betula papyrifera

In the US and Canada

Native in Alaska, Canada, the lower 48 states and St. Pierre and Miquelon.

Native range

Alaska, Alberta, British Columbia, Colorado, Connecticut, Idaho, Illinois, Indiana, Iowa, Labrador, Maine and Manitoba.

Measured

Average height 1053 cm.

Sources: GBIF (CC BY 4.0), USDA PLANTS and Trefle (CC BY 4.0). The care and design notes are LandscapeGPT's own.