North America Native Plant

Hawthorn

Botanical name: Crataegus ×websteri

USDA symbol: CRWE

Life cycle: perennial

Habit: tree

Native status: Native to the lower 48 states  

Webster’s Hawthorn: A Rare Native Gem You Probably Can’t Grow (And That’s Okay!) If you’ve stumbled across the name Crataegus ×websteri while researching native hawthorns, you’ve discovered one of gardening’s botanical mysteries. This native hawthorn hybrid has a story that’s equal parts fascinating and frustrating for anyone hoping to add ...

Webster’s Hawthorn: A Rare Native Gem You Probably Can’t Grow (And That’s Okay!)

If you’ve stumbled across the name Crataegus ×websteri while researching native hawthorns, you’ve discovered one of gardening’s botanical mysteries. This native hawthorn hybrid has a story that’s equal parts fascinating and frustrating for anyone hoping to add it to their landscape.

What Makes Webster’s Hawthorn Special?

Webster’s hawthorn is a native tree species that belongs to the lower 48 states, but here’s the catch – it’s only been documented in New Hampshire. This perennial, woody tree typically grows as a single-stemmed specimen reaching heights greater than 13-16 feet, though environmental conditions can sometimes result in a shorter, multi-stemmed growth form.

As a hybrid (indicated by the × in its botanical name), this hawthorn represents a natural cross between two parent hawthorn species, making it botanically significant but practically elusive.

The Geographic Reality Check

When we talk about native plants, we usually think of species with broad distributions across multiple states or regions. Webster’s hawthorn breaks that mold entirely – it grows in New Hampshire, and that’s it. This extremely limited geographic distribution makes it one of the rarest hawthorns you’ll encounter in native plant literature.

Why You Probably Can’t (And Shouldn’t Try to) Grow It

Here’s where things get interesting from a conservation perspective. With such a limited natural range and little available information about its current status, Webster’s hawthorn falls into that category of plants that are better admired from afar than pursued for home gardens.

The lack of available information about this hybrid extends to virtually every practical growing aspect:

  • Specific growing conditions are undocumented
  • USDA hardiness zones aren’t established
  • Propagation methods aren’t widely known
  • Wildlife and pollinator benefits haven’t been studied
  • Commercial availability is essentially non-existent

What This Means for Your Garden

If you’re drawn to the idea of growing a rare native hawthorn, Webster’s hawthorn represents an important lesson in responsible native gardening. Sometimes the most conservation-minded choice is to appreciate a plant’s existence without trying to possess it.

Instead, consider these more readily available native hawthorn alternatives that can provide similar ecological benefits:

  • Downy hawthorn (Crataegus mollis)
  • Black hawthorn (Crataegus douglasii)
  • Cockspur hawthorn (Crataegus crus-galli)
  • Washington hawthorn (Crataegus phaenopyrum)

The Bigger Picture

Webster’s hawthorn serves as a reminder that our native flora includes species with incredibly specific and limited distributions. These plants play important roles in their tiny ecological niches, even if they’re not destined for widespread cultivation.

For gardeners passionate about native plants, the existence of species like Crataegus ×websteri underscores the importance of supporting conservation efforts and choosing widely available native alternatives that can provide similar ecological benefits without putting pressure on rare populations.

The Bottom Line

While you won’t be adding Webster’s hawthorn to your shopping list anytime soon, its story enriches our understanding of native plant diversity. Sometimes the best way to honor a rare native plant is to celebrate its existence while choosing more common relatives for our gardens. In the world of native gardening, that’s not settling – it’s being a responsible steward of our botanical heritage.

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 ×websteri Sarg. [brainerdii × calpodendron] - hawthorn

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