North America Non-native Plant

Betula ×alpestris

Botanical name: Betula ×alpestris

USDA symbol: BEAL7

Native status: Not native but doesn't reproduce and persist in the wild

Betula ×alpestris: The Mystery Hybrid Birch If you’ve stumbled across the name Betula ×alpestris in your plant research, you’re likely scratching your head wondering what exactly this birch is all about. Don’t worry – you’re not alone! This particular hybrid birch is something of an enigma in the gardening world, ...

Betula ×alpestris: The Mystery Hybrid Birch

If you’ve stumbled across the name Betula ×alpestris in your plant research, you’re likely scratching your head wondering what exactly this birch is all about. Don’t worry – you’re not alone! This particular hybrid birch is something of an enigma in the gardening world, with limited information available about its characteristics and growing requirements.

What We Know (And Don’t Know)

Betula ×alpestris is indicated as a hybrid birch species – that little × symbol is the botanical way of telling us this plant is the result of crossbreeding between two different birch species. However, details about its parent species, native range, and specific characteristics are not well-documented in standard horticultural resources.

Unfortunately, we don’t have clear information about this hybrid’s geographical distribution, making it difficult to determine where it might naturally occur or be best suited for cultivation.

The Challenge for Home Gardeners

Here’s where things get tricky for us garden enthusiasts. Without clear information about this hybrid’s:

  • Growth habits and mature size
  • Preferred growing conditions
  • USDA hardiness zones
  • Native status and ecological benefits
  • Care requirements and potential challenges

It becomes nearly impossible to recommend whether you should plant it in your landscape or provide reliable growing advice.

Better Birch Alternatives

Instead of gambling on a poorly-documented hybrid, why not consider some well-known native birch species that offer proven beauty and ecological benefits? Here are some fantastic options:

  • Paper Birch (Betula papyrifera) – Famous for its striking white bark and brilliant yellow fall color
  • River Birch (Betula nigra) – Excellent for wet soils and offers unique exfoliating bark
  • Gray Birch (Betula populifolia) – A smaller option perfect for naturalized areas

The Bottom Line

While the mystery surrounding Betula ×alpestris might intrigue the plant collector in you, the lack of reliable information makes it a risky choice for most gardeners. You’ll have better success – and provide more benefits to local wildlife – by choosing a well-documented native birch species instead.

If you do encounter this hybrid at a specialty nursery and decide to take the plunge, proceed with caution and be prepared for some trial and error. Make sure to source it from a reputable grower who can provide specific care information for their particular stock.

Remember, the best garden choices are usually the ones where we can confidently predict the outcome – and unfortunately, Betula ×alpestris doesn’t quite fit that bill!

Betula ×alpestris

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 ×alpestris Fr.

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