Bloomipedia
Fourpetal St. johnswort (Hypericum tetrapetalum)
Photo: Andrew Conboy via iNaturalist · CC BY 4.0 · resized

Flower profile

Fourpetal St. johnswort

Hypericum tetrapetalum

Native to Florida

Fourpetal St. johnswort is a flowering plant that USDA PLANTS lists as native in the lower 48 states. In Florida it's most often seen in bloom in January–December.

2states
5,557FL sightings*
5,674U.S. sightings*

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

On our lists for: Florida

Quick look

Hypericum tetrapetalum, the fourpetal St. Johnswort, is a species of flowering plant in the St. John's wort family, Hypericaceae. It is found in the Southeastern United States and Cuba. It was first described by Jean-Baptiste Lamarck in 1797.

  • It belongs to the Hypericaceae family. iNaturalist
  • USDA PLANTS describes it as a shrub / a subshrub with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 2 states. USDA PLANTS
  • NatureServe lists it as native to Florida. NatureServe
  • In Florida, most iNaturalist sightings of it in flower come in January–December. iNaturalist
  • iNaturalist has 5,557 research-grade sightings of it in Florida, ranking #31 among the 110 flowers on our Florida list. iNaturalist

Fourpetal St. johnswort gift ideas

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When does it bloom?

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

Flowering records by month in Florida (iNaturalist research-grade observations marked “Flowering”) (430 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
Florida
Not listed Not on Florida Regulated Plant Index (Fla. Admin. Code 5B-40.0055). NatureServe: S5, secure 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. For context only: ASPCA lists a related species, Hypericum perforatum (“Klamath Weed”), as toxic to dogs and cats. That doesn't tell us about this species, so keep pets away to be safe. 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 fourpetal St. johnswort in 2 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Florida, Georgia.

Florida counties with USDA records: Alachua, Bay, Bradford, Brevard, Broward, Charlotte, Citrus, Clay, Collier, Columbia, DeSoto, Dixie, Duval, Flagler, Franklin, Gilchrist, Glades, Gulf, Hardee, Hendry, Hernando, Highlands, Hillsborough, Indian River, Jefferson, Lafayette, Lake, Lee, Levy, Liberty, Madison, Manatee, Marion, Martin, Miami-Dade, Nassau, Okaloosa, Okeechobee, Orange, Osceola, Palm Beach, Pasco, Pinellas, Polk, Putnam, Sarasota, Seminole, St. Johns, St. Lucie, Sumter, Taylor, Volusia, Wakulla, Walton, Washington.

More Florida flowers

Roundpod St. john's-wort (Hypericum cistifolium)

Roundpod St. john's-wort

Hypericum cistifolium

Native

🌼 Blooms in FL: March–October
White beggarticks (Bidens alba)

White beggarticks

Bidens alba

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🌼 Blooms in FL: January–December
American beautyberry (Callicarpa americana)

American beautyberry

Callicarpa americana

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🌼 Blooms in FL: April–July

Sources