North America Native Plant

Clarkton Hawthorn

Botanical name: Crataegus helvina

USDA symbol: CRHE3

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Clarkton Hawthorn: A Mysterious Tennessee Native Worth Knowing About If you’re a native plant enthusiast in Tennessee, you might have stumbled across the name Clarkton hawthorn (Crataegus helvina) in your research. This intriguing native shrub is something of a botanical mystery – while it’s officially recognized as a Tennessee native, ...

Clarkton Hawthorn: A Mysterious Tennessee Native Worth Knowing About

If you’re a native plant enthusiast in Tennessee, you might have stumbled across the name Clarkton hawthorn (Crataegus helvina) in your research. This intriguing native shrub is something of a botanical mystery – while it’s officially recognized as a Tennessee native, information about this particular hawthorn species is surprisingly scarce. Let’s dive into what we do know about this elusive native plant and whether it might have a place in your garden.

What is Clarkton Hawthorn?

Clarkton hawthorn is a perennial shrub native to Tennessee and classified as indigenous to the lower 48 states. Like other hawthorns, it’s a multi-stemmed woody plant that typically grows less than 13-16 feet in height, though it can occasionally grow taller or develop a single stem depending on environmental conditions.

As a member of the hawthorn family, this shrub likely shares many characteristics with its better-known relatives, including the potential for attractive spring flowers and small, colorful fruits that wildlife appreciate.

Where Does It Grow?

Currently, Crataegus helvina is documented as growing in Tennessee, making it a true regional native. This limited geographic distribution is part of what makes this hawthorn so intriguing – and potentially rare.

Should You Plant Clarkton Hawthorn?

Here’s where things get tricky. While this Tennessee native sounds appealing in theory, the scarcity of information about Clarkton hawthorn raises some important considerations:

The Rarity Question

The limited available information about this species suggests it may be quite rare. When dealing with potentially rare native plants, it’s crucial to:

  • Only source plants from reputable native plant nurseries
  • Ensure any plants are ethically propagated, not wild-collected
  • Consider whether you have the right growing conditions to support a potentially sensitive species

What We Don’t Know

Unfortunately, many details about successfully growing Clarkton hawthorn remain unclear, including:

  • Specific growing requirements and soil preferences
  • Exact wildlife and pollinator benefits
  • Preferred planting conditions and care instructions
  • Current conservation status

Alternative Tennessee Native Hawthorns

If you’re drawn to the idea of growing a native hawthorn in Tennessee but want something with more established growing information, consider these well-documented alternatives:

  • Downy Hawthorn (Crataegus mollis)
  • Black Hawthorn (Crataegus douglasii)
  • Cockspur Hawthorn (Crataegus crus-galli)

These species offer similar native benefits with much more available information about their care requirements and garden performance.

The Bottom Line

Clarkton hawthorn represents an interesting piece of Tennessee’s native plant puzzle, but it’s not the best choice for most home gardeners. The lack of cultivation information, potential rarity, and limited availability make it a challenging plant to work with successfully.

If you’re specifically interested in this species, we’d recommend connecting with native plant societies in Tennessee or botanical experts who might have more specialized knowledge about this particular hawthorn.

For most gardeners looking to support Tennessee’s native ecosystem, choosing better-documented native hawthorn species will give you the native plant benefits you’re seeking with much greater chances of success. Save the botanical mysteries for the experts, and focus on natives you can actually find, grow, and enjoy!

Clarkton Hawthorn

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Rosaceae Juss. - Rose family

Genus

Crataegus L. - hawthorn

Species

Crataegus helvina Ashe - Clarkton hawthorn

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