Bloomipedia
Parsley hawthorn (Crataegus marshallii)
Photo: drnancyjackson via iNaturalist · CC BY 4.0 · resized

Flower profile

Parsley hawthorn

Crataegus marshallii

Native to Louisiana

Parsley hawthorn is a flowering plant that USDA PLANTS lists as native in the lower 48 states. In Louisiana it's most often seen in bloom in March–April.

15states
543LA sightings*
3,516U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: Louisiana

Quick look

Crataegus marshallii is a species of hawthorn known by the common name parsley hawthorn. It is native to the southeastern United States.

  • It belongs to the Rosaceae family. iNaturalist
  • USDA PLANTS describes it as a shrub / a tree with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 15 states. USDA PLANTS
  • NatureServe lists it as native to Louisiana. NatureServe
  • In Louisiana, most iNaturalist sightings of it in flower come in March–April. iNaturalist
  • USDA PLANTS lists its flower color as white. USDA PLANTS
  • USDA PLANTS gives its bloom period as mid spring. USDA PLANTS
  • USDA PLANTS lists a mature height of about 25 ft. USDA PLANTS
  • iNaturalist has 543 research-grade sightings of it in Louisiana, ranking #59 among the 109 flowers on our Louisiana list. iNaturalist

Parsley hawthorn gift ideas

Handmade parsley hawthorn gifts from independent makers.

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When does it bloom?

In Louisiana, most flowering sightings come in March–April.

Flowering records by month in Louisiana (iNaturalist research-grade observations marked “Flowering”) (101 records)

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G5 Secure worldwide. NatureServe
Louisiana
No list Louisiana has no state list of endangered or threatened plants separate from the federal list, so we show federal status and NatureServe's Louisiana ranks. NatureServe: S5, secure in Louisiana.
Rare elsewhere
Other states where NatureServe ranks it rare or missing: KY (S1), MO (S1). (S1 critically imperiled, S2 imperiled, SH possibly extirpated, SX presumed extirpated.)

Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.

Can you eat it?

For peopleNot well documented

None of the sources we checked (NC State Extension (no edibility or poison notes on its page), USDA PLANTS) say whether it's edible or poisonous for people. NC State Extension

For petsNon-toxic to dogs, cats and horses

ASPCA's entry “Haws” (Crataegus species), which covers the whole genus, lists it as non-toxic to dogs, cats and horses. Eating lots of any plant can still upset a pet's stomach. ASPCA

🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.

Where does it grow?

USDA PLANTS records parsley hawthorn in 15 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Arkansas, Florida, Georgia, Illinois, Kentucky, Louisiana, Mississippi, Missouri, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia.

Louisiana counties with USDA records: Acadia, Allen, Avoyelles, Bienville, Bossier, Caddo, Calcasieu, Caldwell, Catahoula, Claiborne, De Soto, East Baton Rouge, East Carroll, East Feliciana, Evangeline, Franklin, Grant, Iberville, Jackson, Jefferson Davis, LaSalle, Lincoln, Livingston, Morehouse, Natchitoches, Orleans, Ouachita, Rapides, Red River, Richland, Sabine, St. Helena, St. Landry, St. Tammany, Tangipahoa, Union, Vermilion, Vernon, Washington, Webster, West Carroll, West Feliciana, Winn.

More Louisiana flowers

Roses (genus Rosa) (Rosa)

Roses (genus Rosa)

Rosa

★ NY state flower🌷 Garden flower

🌼 Blooms in LA: February–May
Black cherry (Prunus serotina)

Black cherry

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🌼 Blooms in LA: February–March
Southern dewberry (Rubus trivialis)

Southern dewberry

Rubus trivialis

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🌼 Blooms in LA: February–April

Sources