North America Non-native Plant

Hawthorn

Botanical name: Crataegus paludosa

USDA symbol: CRPA24

Native status: Not native but doesn't reproduce and persist in the wild

The Mysterious Swamp Hawthorn: What We Know About Crataegus paludosa If you’ve stumbled across the name Crataegus paludosa in your native plant research, you’re not alone in scratching your head. This particular hawthorn presents quite the botanical puzzle, and honestly, that’s part of what makes native plant gardening so fascinating ...

The Mysterious Swamp Hawthorn: What We Know About Crataegus paludosa

If you’ve stumbled across the name Crataegus paludosa in your native plant research, you’re not alone in scratching your head. This particular hawthorn presents quite the botanical puzzle, and honestly, that’s part of what makes native plant gardening so fascinating – sometimes we encounter species that are more mystery than certainty.

The Name Game: What’s in a Scientific Name?

Crataegus paludosa translates roughly to swamp hawthorn, with paludosa meaning marsh-loving or swamp-dwelling. That name certainly sounds promising for wet garden areas, doesn’t it? However, here’s where things get interesting – this particular species name appears to have very limited documentation in current botanical literature.

The hawthorn genus (Crataegus) is notoriously complex, with hundreds of species and countless hybrids that have kept botanists busy for centuries. Some species names have fallen out of use, been reclassified, or exist only in regional literature.

The Challenge of Unknown Origins

Without clear information about where Crataegus paludosa is native to or its current taxonomic status, it’s difficult to provide specific growing advice. This uncertainty actually highlights an important principle in native gardening: always verify your plant sources and species information.

What This Means for Your Garden

If you’re specifically seeking Crataegus paludosa, here’s what I’d recommend:

  • Consult with local botanists, native plant societies, or extension services about this species
  • Verify the plant’s identity and source if you find it available
  • Consider well-documented native hawthorn alternatives for your region
  • If you’re drawn to the swamp-loving aspect, look into other wetland-adapted native species

Better Alternatives: Proven Native Hawthorns

Rather than chase a botanical mystery, consider these well-documented native hawthorn options:

  • Downy Hawthorn (Crataegus mexicana) for diverse soil conditions
  • Black Hawthorn (Crataegus douglasii) for western regions
  • Cockspur Hawthorn (Crataegus crus-galli) for eastern areas

These species offer the classic hawthorn benefits – spring flowers, fall berries, wildlife habitat, and thorny security – with the confidence that comes from established growing information.

The Takeaway

Sometimes in native gardening, we encounter plants that are more question mark than exclamation point. Crataegus paludosa appears to be one of those cases. While the mystery is intriguing, your garden (and the wildlife that depends on it) will be better served by choosing well-documented native species with clear provenance and growing requirements.

Remember, successful native gardening is less about tracking down rare names and more about creating healthy habitat with plants that are truly suited to your specific location and conditions.

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 paludosa Sarg. - hawthorn

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