North America Native Plant

Birch

Botanical name: Betula ×winteri

USDA symbol: BEWI2

Life cycle: perennial

Habit: shrub

Native status: Native to Alaska âš˜ Native to Canada  

Winter’s Birch: The Elusive Northern Beauty If you’re a fan of birch trees and stumbled upon Betula ×winteri, you’ve discovered one of the more mysterious members of the birch family. This hybrid birch, simply known as birch, is a fascinating but elusive plant that calls the far north home. Where ...

Winter’s Birch: The Elusive Northern Beauty

If you’re a fan of birch trees and stumbled upon Betula ×winteri, you’ve discovered one of the more mysterious members of the birch family. This hybrid birch, simply known as birch, is a fascinating but elusive plant that calls the far north home.

Where You’ll Find This Northern Native

Betula ×winteri is native to some pretty chilly places – specifically Alaska and parts of Canada, with documented populations in Saskatchewan. This birch is truly built for cold climates and represents the hardy spirit of northern flora. If you live in warmer regions, this probably isn’t the birch for you, but if you’re gardening in the northern reaches, it might be worth considering.

What Does It Look Like?

This perennial shrub typically grows as a multi-stemmed woody plant, usually staying under 13 to 16 feet tall (4 to 5 meters). Like many shrubs, it sends up several stems from or near the ground, creating a bushy appearance rather than the single trunk you might expect from larger birch trees. Under certain environmental conditions, it might grow taller or even develop a more tree-like single stem, showing the adaptability that helps it survive in harsh northern conditions.

The Mystery Factor

Here’s where things get interesting (and a bit frustrating for plant enthusiasts): Betula ×winteri is something of an enigma. The × in its scientific name tells us it’s a hybrid – a cross between two birch species – but detailed information about this particular plant is surprisingly scarce. This could mean a few things:

  • It’s quite rare in cultivation
  • It’s a recently identified or described hybrid
  • It may be primarily of botanical interest rather than horticultural use

Should You Plant It?

This is where we hit a bit of a roadblock. With limited information available about Betula ×winteri’s specific growing requirements, wildlife benefits, and garden performance, it’s hard to give a definitive recommendation. If you’re determined to grow this particular birch, here are some general considerations:

The Good: As a native plant to Alaska and Saskatchewan, it’s presumably well-adapted to extremely cold conditions and could be valuable for northern gardeners looking for hardy, native shrubs.

The Challenging: The lack of readily available information suggests it may be difficult to source, and without detailed growing guides, success could be hit-or-miss.

Alternative Northern Birches

If you’re drawn to the idea of growing native birches in northern climates but are concerned about the mystery surrounding Betula ×winteri, consider these better-documented alternatives:

  • Paper birch (Betula papyrifera) – widely available and well-documented
  • Dwarf birch (Betula nana) – a compact shrub perfect for northern gardens
  • Alaska birch (Betula neoalaskana) – another cold-hardy option

The Bottom Line

Betula ×winteri represents one of those intriguing plants that botanists know exists but gardeners rarely encounter. If you’re in Alaska or northern Canada and happen to come across this hybrid birch through a specialized native plant source, it could be an interesting addition to a collection of rare native plants. However, for most gardeners, better-documented birch species will provide more reliable results and easier care.

Sometimes the most fascinating plants are the ones that remain a little mysterious – and Betula ×winteri certainly fits that bill. Whether it stays an enigma or eventually becomes better known in horticultural circles, it serves as a reminder that there’s still much to discover in the plant world, even in well-studied genera like Betula.

Birch

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Hamamelididae

Order

Fagales

Family

Betulaceae Gray - Birch family

Genus

Betula L. - birch

Species

Betula ×winteri Dugle [neoalaskana × papyrifera] - birch

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA