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Downy Birch

Betula pubescens

Also called Brown Birch, Mountain Birch, White Birch, European White Birch, Silver Birch, European Paper Birch, Hairy Birch

Downy Birch
Photo: Willow, CC BY 2.5

Downy birch is a fast-growing, hardy deciduous tree from northern Europe and Asia that copes with cold, wet, poorly drained soils. It is grown as a garden or landscape tree rather than a typical houseplant.

Family
Betulaceae (Birch family)
Grows as
Tree
Light
Full sun
Water
Water young trees regularly during their first dry summers; mature trees need little extra water.
Soil
Tolerates moist, heavy, poorly drained soils and acidic conditions.
Temperature
Very cold hardy; suited to cold temperate and subarctic climates.
How easy
Easy
Safety
Not known to be toxic
Native range
Newfoundland to Greenland, Europe to Russian Far East and N. Iran
Climate
temperate

About

Betula pubescens (syn. Betula alba), commonly known as downy birch and also as moor birch, white birch, European white birch or hairy birch, is a species of deciduous tree, native and abundant throughout northern Europe and northern Asia, growing further north than any other broadleaf tree. It is closely related to, and often confused with, the silver birch (B. pendula), but grows in wetter places with heavier soils and poorer drainage; smaller trees can also be confused with the dwarf birch (B. nana).

Six varieties are recognised and it hybridises with the silver and dwarf birches. A number of cultivars have been developed, but many are no longer in cultivation. The larva of the autumnal moth (Epirrita autumnata) feeds on the foliage and in some years, large areas of birch forest can be defoliated by this insect.

Where it grows

The larva of the autumnal moth (Epirrita autumnata) feeds on the foliage of Betula pubescens and other tree species. In outbreak years, large areas of birch forest can be defoliated by this insect. Damage to the leaf tissue stimulates the tree to produce chemicals that reduce foliage quality, stunting the growth of the larvae and reducing their pupal weights.

Uses

The outer layer of bark can be stripped off the tree without killing it and can be used to make canoe skins, drinking vessels and roofing tiles. The inner bark can be used for the production of rope and for making a form of oiled paper. This bark is also rich in tannin and has been used as a brown dye and as a preservative. The bark can also be turned into a high quality charcoal favoured by artists. The twigs and young branches are very flexible and make good whisks and brooms. The timber is pale in colour with a fine, uniform texture and is used in the manufacture of plywood, furniture, shelves, coffins, matches and toys, and in turnery.

Other Betula plants

Betula utilis subsp. albosinensis · Yellow birch · Erman's Birch · Betula gmelinii · Sweet birch · Monarch birch · Medwediew's Birch · River birch · Paper birch · Curly birch · Silver Birch · Bakdal Birch

Text excerpted from the Wikipedia article Betula pubescens by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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