Native Plants

Turner’s Hawthorn

Crataegus turnerorum

USDA symbol: CRTU2

perennial tree

Lower 48 states: native

Meet Turner’s hawthorn (Crataegus turnerorum), one of Texas’s most elusive native trees. This rare hawthorn species represents a true botanical treasure that most gardeners will never encounter—and that’s probably for the best, given its precarious conservation status. Turner’s hawthorn is a perennial, woody tree that typically grows as a single-stemmed ...

Turner’s Hawthorn may be listed as rare in your area.
Global Conservation Status

Status: S3Q | Vulnerable: Found only in a restricted range (even if abundant at some locations). Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals.

Turner’s Hawthorn: A Rare Texas Treasure Worth Protecting

Meet Turner’s hawthorn (Crataegus turnerorum), one of Texas’s most elusive native trees. This rare hawthorn species represents a true botanical treasure that most gardeners will never encounter—and that’s probably for the best, given its precarious conservation status.

What Makes Turner’s Hawthorn Special?

Turner’s hawthorn is a perennial, woody tree that typically grows as a single-stemmed specimen, reaching heights greater than 13-16 feet under ideal conditions. Like other members of the hawthorn family, it likely produces clusters of small white flowers followed by red berries that add seasonal interest to the landscape.

This species is also known by the synonym Crataegus secreta, which seems fitting given how secretive and hard to find this plant really is!

Where Does Turner’s Hawthorn Grow?

Turner’s hawthorn is native exclusively to Texas, making it a true Lone Star State endemic. This limited geographic distribution is part of what makes the species so special—and so vulnerable.

  • Species observed
  • No observations

A Word of Caution: Rarity Alert

Here’s where things get serious, fellow gardeners. Turner’s hawthorn carries a Global Conservation Status of S3Q, indicating its conservation status is undefined but potentially concerning. This rarity designation means you should think twice—actually, think three or four times—before considering this plant for your garden.

If you’re absolutely determined to grow Turner’s hawthorn, please ensure any plant material comes from responsible, ethical sources that don’t impact wild populations. Better yet, consider supporting conservation efforts for this species instead of growing it in your garden.

Growing Conditions and Care

While specific growing information for Turner’s hawthorn is limited due to its rarity, we can make educated guesses based on other Texas hawthorn species:

  • Likely thrives in USDA hardiness zones 7-9
  • Probably prefers well-drained soils
  • May tolerate drought once established, like many Texas natives
  • Could benefit from protection from extreme weather

Wildlife and Pollinator Benefits

Though specific data is lacking, Turner’s hawthorn likely provides similar benefits to wildlife as other hawthorn species. The flowers probably attract native bees and other pollinators, while the berries could feed birds and small mammals.

Better Alternatives for Your Garden

Instead of hunting down this rare species, consider these more common Texas native hawthorns that can provide similar beauty without conservation concerns:

  • Mexican hawthorn (Crataegus mexicana)
  • Reverchon’s hawthorn (Crataegus reverchonii)
  • Parsley hawthorn (Crataegus marshallii)

The Bottom Line

Turner’s hawthorn represents the kind of botanical rarity that makes Texas flora so fascinating. However, its conservation status means this tree is better appreciated in its natural habitat than in our home gardens. By choosing more common native alternatives, we can enjoy the beauty of hawthorns while helping protect rare species like Turner’s hawthorn for future generations.

Sometimes the most responsible thing we can do as gardeners is to admire from afar and plant something else instead. Turner’s hawthorn is definitely one of those times.

Crataegus turnerorum 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. Crataegus turnerorum is also known as:

Crataegus secreta | USDA symbol: CRSE9

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: Rosidae
Order: Rosales
Family: Rosaceae Juss. - Rose family
Genus: Crataegus L. - hawthorn

Species: Crataegus turnerorum Enquist - Turner'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