Non-native Plants

Chinese Hazelnut

Corylus colurna var. chinensis

USDA symbol: COCOC6

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! Chinese hazelnut (Corylus colurna ...

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!

Corylus colurna var. chinensis is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Corylus colurna var. chinensis is also known as:

Corylus chinensis | USDA symbol: COCH7

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Hamamelididae
Order: Fagales
Family: Betulaceae Gray - Birch family
Genus: Corylus L. - hazelnut

Species: Corylus colurna L. - Turkish hazelnut

Variety: Corylus colurna L. var. chinensis (Franchet) Burkill - Chinese hazelnut

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