Bloomipedia
Roundpod St. john's-wort (Hypericum cistifolium)
Photo: Valerie Anderson via iNaturalist · CC BY 4.0 · resized

Flower profile

Roundpod St. john's-wort

Hypericum cistifolium

Native to Florida

Roundpod St. john's-wort is a wildflower that USDA PLANTS lists as native in the lower 48 states. In Florida it's most often seen in bloom in March–October.

8states
3,101FL sightings*
3,433U.S. sightings*

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

On our lists for: Florida

Quick look

Hypericum cistifolium is a shrub in the family Hypericaceae native in the southeastern United States. Plants in the genus Hypericum are referred to as St. John's wort.

  • It belongs to the Hypericaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) / a shrub with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 8 states. USDA PLANTS
  • NatureServe lists it as native to Florida. NatureServe
  • In Florida, most iNaturalist sightings of it in flower come in March–October. iNaturalist
  • USDA PLANTS lists its flower color as yellow. USDA PLANTS
  • USDA PLANTS gives its bloom period as early summer. USDA PLANTS
  • USDA PLANTS lists a mature height of about 2.5 ft. USDA PLANTS
  • iNaturalist has 3,101 research-grade sightings of it in Florida, ranking #97 among the 110 flowers on our Florida list. iNaturalist

Roundpod St. john's-wort gift ideas

Handmade roundpod st. john's-wort gifts from independent makers.

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When does it bloom?

In Florida, most flowering sightings come in March–October.

Flowering records by month in Florida (iNaturalist research-grade observations marked “Flowering”) (202 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 roundpod St. john's-wort in 8 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Texas.

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

More Florida flowers

Fourpetal St. johnswort (Hypericum tetrapetalum)

Fourpetal St. johnswort

Hypericum tetrapetalum

Native

🌼 Blooms in FL: January–December
White beggarticks (Bidens alba)

White beggarticks

Bidens alba

Native

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

American beautyberry

Callicarpa americana

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🌼 Blooms in FL: April–July

Sources