North America Non-native Plant

Chinese Hazelnut

Botanical name: Corylus colurna var. chinensis

USDA symbol: COCOC6

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

Synonyms: Corylus chinensis Franchet (COCH7)   

Chinese Hazelnut: A Mystery Plant Worth Understanding If you’ve stumbled across the name Chinese hazelnut or its botanical designation Corylus colurna var. chinensis, you might be wondering whether this intriguing plant deserves a spot in your garden. Well, you’re not alone in your curiosity – this particular variety presents quite ...

Chinese Hazelnut: A Mystery Plant Worth Understanding

If you’ve stumbled across the name Chinese hazelnut or its botanical designation Corylus colurna var. chinensis, you might be wondering whether this intriguing plant deserves a spot in your garden. Well, you’re not alone in your curiosity – this particular variety presents quite the botanical puzzle!

What Exactly Is Chinese Hazelnut?

Chinese hazelnut (Corylus colurna var. chinensis) is listed as a variety of the Turkish hazel, with the synonym Corylus chinensis Franchet appearing in some botanical references. However, here’s where things get interesting (and a bit frustrating for plant enthusiasts): reliable information about this specific variety is surprisingly scarce in current botanical literature.

The Geographic Mystery

While the name suggests Chinese origins, the exact native range and geographical distribution of this particular variety remains unclear in available sources. This uncertainty extends to its current distribution and whether it’s established in cultivation.

Should You Plant It?

Here’s the honest truth: without clear information about this plant’s native status, growth characteristics, and potential invasive tendencies, it’s difficult to make a strong recommendation either way. The lack of readily available information raises some important considerations:

  • Unknown native status makes it impossible to determine its ecological appropriateness for your region
  • Unclear growth habits and mature size make garden planning challenging
  • Unknown wildlife benefits mean you can’t count on it to support local ecosystems
  • Uncertain hardiness zones leave you guessing about climate suitability

A Safer Alternative Approach

If you’re drawn to hazelnut species for your landscape, consider these better-documented alternatives:

  • Research native hazelnut species in your region first
  • Look into well-established Corylus species with known growth habits and ecological benefits
  • Consult with local native plant societies or extension services for regionally appropriate recommendations

The Bottom Line

While Chinese hazelnut might sound appealing, the lack of reliable information about Corylus colurna var. chinensis makes it a risky choice for responsible gardeners. When in doubt, it’s always better to choose plants with well-documented characteristics, known native ranges, and proven track records in cultivation.

If you’re specifically interested in this variety, consider reaching out to botanical gardens, university extension programs, or specialized nurseries that might have more detailed information. Sometimes the most mysterious plants turn out to be the most rewarding – but it’s always wise to do your homework first!

Chinese Hazelnut

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

Corylus L. - hazelnut

Species

Corylus colurna L. - Turkish hazelnut

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