Bloomipedia
Largeflower Mexican clover (Richardia grandiflora)
Photo: Steve Taylor via iNaturalist · CC BY 4.0 · resized

Flower profile

Largeflower Mexican clover

Richardia grandiflora

Largeflower Mexican clover (Richardia grandiflora) is a flowering plant in the Rubiaceae family, introduced in the lower 48 states, blooming mostly November–December across the U.S.

Not native to Florida

Largeflower Mexican clover is a wildflower that USDA PLANTS lists as introduced in the lower 48 states. In Florida it's most often seen in bloom in November–December.

1states where USDA records it
14,620FL sightings*
14,626U.S. sightings*

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

On our lists for: Florida

Quick look

Richardia grandiflora, the largeflower Mexican clover, largeflower pusley, or Florida snow, is a species of flowering plant native to Brazil, Bolivia, Paraguay, Uruguay, and northeastern Argentina. It is in the Rubiaceae family. Used as a ground cover, it has proliferated in Florida where it has sometimes been perceived as a weed.

  • It belongs to the Rubiaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) with a annual, perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as introduced in the lower 48 states and records it in 1 states. USDA PLANTS
  • NatureServe lists it as not native to Florida. NatureServe
  • In Florida, most iNaturalist sightings of it in flower come in November–December. iNaturalist
  • iNaturalist has 14,620 research-grade sightings of it in Florida, ranking #3 among the 151 flowers on our Florida list. iNaturalist

When does it bloom?

In Florida, most flowering sightings come in November–December.

Flowering records by month in Florida (iNaturalist research-grade observations marked “Flowering”) (773 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
Florida
Not listed Not on Florida Regulated Plant Index (Fla. Admin. Code 5B-40.0055). NatureServe: SNA, not applicable (usually because it isn't native there) in Florida. FAC 5B-40.0055
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 largeflower Mexican clover in 1 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Florida.

Florida counties with USDA records: Alachua, Broward, Highlands, Hillsborough, Indian River, Marion, Martin, Miami-Dade, Okeechobee, Orange, Palm Beach, Volusia.

Names, range and relatives

County records: USDA PLANTS lists it in 12 counties across 1 states; the most are in Florida (12).

More from the Rubiaceae family (18 on Bloomipedia; most observed first): Partridgeberry, Buttonbush, Azure bluet, Field madder, Buttonweed, Tiny bluet, Shiny-leaved wild coffee, Diamond-flowers.

More Florida flowers

Shiny-leaved wild coffee (Psychotria nervosa)

Shiny-leaved wild coffee

Psychotria nervosa

Native

🌼 Blooms in FL: March–June
Shrubby false buttonweed (Spermacoce verticillata)

Shrubby false buttonweed

Spermacoce verticillata

Introduced

🌼 Blooms in FL: February–December
Buttonbush (Cephalanthus occidentalis)

Buttonbush

Cephalanthus occidentalis

Native

🌼 Blooms in FL: April–July

Sources