Bloomipedia
Asian mazus (Mazus pumilus)
Photo: cgmayers via iNaturalist · CC0 · resized

Flower profile

Asian mazus

Mazus pumilus

Not native to Louisiana

Asian mazus is a wildflower that USDA PLANTS lists as introduced in the lower 48 states. In Louisiana it's most often seen in bloom in February–November.

29states
754LA sightings*
8,002U.S. sightings*

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

On our lists for: Louisiana

Quick look

Mazus pumilus, commonly called Japanese mazus, is a species of flowering plant in the Mazaceae family. It is native to south and east Asia, where it is found in Bhutan, China, India, Pakistan, Bangladesh, Indonesia, Japan, Korea, Nepal, New Guinea, the Philippines, Russia, Taiwan, Thailand, and Vietnam. It is an invasive species in North America.

  • It belongs to the Mazaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) with a annual life cycle. USDA PLANTS
  • USDA PLANTS lists it as introduced in the lower 48 states and records it in 29 states. USDA PLANTS
  • NatureServe lists it as not native to Louisiana. NatureServe
  • In Louisiana, most iNaturalist sightings of it in flower come in February–November. iNaturalist
  • iNaturalist has 754 research-grade sightings of it in Louisiana, ranking #42 among the 109 flowers on our Louisiana list. iNaturalist

Asian mazus gift ideas

Handmade asian mazus gifts from independent makers.

When does it bloom?

In Louisiana, most flowering sightings come in February–November.

Flowering records by month in Louisiana (iNaturalist research-grade observations marked “Flowering”) (91 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
GNR Not yet ranked 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: SNA, not applicable (usually because it isn't native there) in Louisiana.
Rare elsewhere
No other U.S. state ranks it S1, S2, SH or SX.

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 page for this plant), USDA PLANTS) say whether it's edible or poisonous for people.

For petsNot well documented

It isn't on the ASPCA plant list.

🌿 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 Asian mazus in 29 states plus Washington, D.C.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Arkansas, California, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maryland, Massachusetts, Mississippi, Missouri, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, Washington, West Virginia, Wisconsin; District of Columbia.

Louisiana counties with USDA records: Acadia, Allen, Ascension, Avoyelles, Bienville, Caddo, Calcasieu, Caldwell, Cameron, Concordia, East Baton Rouge, East Feliciana, Evangeline, Franklin, Iberia, Iberville, Jefferson, Jefferson Davis, LaSalle, Lafourche, Lincoln, Livingston, Madison, Morehouse, Natchitoches, Orleans, Ouachita, Plaquemines, Pointe Coupee, Rapides, Richland, Sabine, St. Bernard, St. Charles, St. Helena, St. James, St. John the Baptist, St. Landry, St. Martin, St. Mary, St. Tammany, Tangipahoa, Tensas, Terrebonne, Union, Vermilion, Vernon, Washington, Webster, West Baton Rouge, West Carroll, West Feliciana.

More Louisiana flowers

Sources

  • USDA, NRCS. PLANTS Database, profile MAPU7.
  • iNaturalist, Mazus pumilus: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
  • Wikipedia, Mazus pumilus (lead quoted under CC BY-SA 4.0).
  • USFWS, ECOS species database (ESA listing check), October 17, 2026.
  • NatureServe Explorer, Mazus pumilus (global and state ranks).
  • Edibility and toxicity: no source found (marked "not well documented").
  • Photo: cgmayers via iNaturalist · CC0 · resized.