North America Native Plant

Pearson’s Hawthorn

Botanical name: Crataegus pearsonii

USDA symbol: CRPE13

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Pearson’s Hawthorn: A Rare Native Gem Worth Protecting Meet Pearson’s hawthorn, a little-known native shrub that’s as mysterious as it is special. If you’ve never heard of this plant, you’re not alone—Crataegus pearsonii is one of those rare native species that flies under the radar, quietly growing in a small ...

Rare plant alert!

Region: Conservation status by state

Status: SHQ: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Possibly Extinct: Known only from historical occurrences. Still some hope of rediscovery ⚘

Pearson’s Hawthorn: A Rare Native Gem Worth Protecting

Meet Pearson’s hawthorn, a little-known native shrub that’s as mysterious as it is special. If you’ve never heard of this plant, you’re not alone—Crataegus pearsonii is one of those rare native species that flies under the radar, quietly growing in a small corner of the American South.

What Makes Pearson’s Hawthorn Special?

This perennial shrub is a true native of the United States, belonging to the diverse hawthorn family. Like its cousins, Pearson’s hawthorn is a multi-stemmed woody plant that typically stays under 13-16 feet tall, making it a perfect mid-sized addition to native landscapes.

What sets this hawthorn apart isn’t just its rarity—it’s the fact that it represents a unique piece of our natural heritage, found only in select areas of the Gulf Coast region.

Where Does It Call Home?

Pearson’s hawthorn has a pretty exclusive address. You’ll find this native beauty growing naturally in just three states:

  • Louisiana
  • Mississippi
  • Texas

This limited range makes it a true regional treasure, perfectly adapted to the climate and conditions of the Gulf Coast area.

A Word of Caution: Rarity Matters

Here’s where things get interesting—and important. Pearson’s hawthorn has a Global Conservation Status of SHQ, which essentially means its status is undefined or uncertain. This is conservation speak for we need to know more about this plant and be extra careful with it.

If you’re thinking about adding this native to your garden, that’s wonderful! But please, please make sure you source it responsibly. This means:

  • Never collecting from wild populations
  • Purchasing only from reputable native plant nurseries
  • Asking about the source of the plant material
  • Considering propagation from legally obtained seeds rather than purchasing plants

Growing Pearson’s Hawthorn: What We Know

Here’s the tricky part—because this hawthorn is so rare and poorly studied, specific growing information is limited. However, we can make educated guesses based on its native range and what we know about hawthorns in general.

Climate and Hardiness

Given its natural range in Louisiana, Mississippi, and Texas, Pearson’s hawthorn likely thrives in USDA Hardiness Zones 8-9. It’s adapted to the warm, humid conditions of the Gulf Coast, so if you’re in a similar climate, you’re off to a good start.

Likely Growing Conditions

While we can’t be 100% certain about this specific species’ preferences, most hawthorns appreciate:

  • Well-draining soil (they don’t like wet feet)
  • Full sun to partial shade
  • Moderate water once established
  • Good air circulation

Potential Garden Role

Like other hawthorns, Pearson’s hawthorn would likely work well as:

  • A specimen plant in native gardens
  • Part of a mixed shrub border
  • Wildlife habitat plantings
  • Natural landscape restoration projects

Wildlife and Pollinator Benefits

While specific data on Pearson’s hawthorn is scarce, hawthorns as a group are wildlife magnets. They typically offer:

  • Spring flowers that attract bees and other pollinators
  • Berries that feed birds and small mammals
  • Thorny branches that provide safe nesting sites for birds
  • Dense growth that offers shelter for various wildlife

The Bottom Line: Should You Plant It?

If you live in Louisiana, Mississippi, or Texas and can source Pearson’s hawthorn responsibly, absolutely consider it! You’d be helping preserve a rare native species while adding a unique plant to your landscape. Just remember that you’re essentially becoming a conservation partner—pretty cool, right?

However, if you can’t find responsibly sourced material or if the uncertainty around its care requirements makes you nervous, consider other native hawthorns that might be more readily available in your area. The important thing is choosing plants that support your local ecosystem.

Pearson’s hawthorn reminds us that there’s still so much to discover about our native flora. By choosing to grow rare natives like this one—responsibly, of course—we become part of the conservation story, helping ensure these special plants have a future in both wild spaces and cultivated gardens.

Pearson’s 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 pearsonii Ashe - Pearson's hawthorn

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