Flower profile
Florida pennyroyal
Piloblephis rigida
Florida pennyroyal 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.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Florida
Quick look
Piloblephis is a monotypic genus of flowering plant in the family Lamiaceae, first described in 1838. It contains only one known species, Piloblephis rigida, the wild pennyroyal, or pennyroyal native to Florida, southern Georgia, and the Bahamas.
- It belongs to the Lamiaceae family. iNaturalist
- USDA PLANTS describes it as a shrub 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 3,773 research-grade sightings of it in Florida, ranking #69 among the 110 flowers on our Florida list. iNaturalist
Florida pennyroyal gift ideas
Handmade florida pennyroyal gifts from independent makers.
🌱 Sample spot. Handmade gift picks from independent shops will appear here once our shop partnership is approved. These cards are placeholders, not real products.
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Florida pennyroyal art print
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Florida pennyroyal greeting card
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Florida pennyroyal mug
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Florida pennyroyal earrings
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Florida pennyroyal embroidery pattern
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Florida pennyroyal sticker
When does it bloom?
In Florida, most flowering sightings come in January–December.
Conservation status
- Federal (U.S. ESA)
- Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
- NatureServe global
- G3 Vulnerable worldwide. NatureServe
- Florida
- Not listed Not on Florida Regulated Plant Index (Fla. Admin. Code 5B-40.0055). NatureServe: SNR, not yet ranked in Florida. FAC 5B-40.0055
- Rare elsewhere
- Other states where NatureServe ranks it rare or missing: GA (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?
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.
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 Florida pennyroyal 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, Brevard, Broward, Charlotte, Citrus, Collier, DeSoto, Flagler, Glades, Hardee, Hendry, Hernando, Highlands, Hillsborough, Indian River, Lake, Lee, Manatee, Marion, Martin, Miami-Dade, Okeechobee, Orange, Osceola, Palm Beach, Pasco, Pinellas, Polk, Putnam, Sarasota, Seminole, St. Johns, St. Lucie, Sumter, Volusia.
More Florida flowers
Sources
- USDA, NRCS. PLANTS Database, profile PIRI5.
- iNaturalist, Piloblephis rigida: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Piloblephis (lead quoted under CC BY-SA 4.0).
- Florida: Florida Regulated Plant Index (Fla. Admin. Code 5B-40.0055).
- Florida: Florida Noxious Weed List (Fla. Admin. Code 5B-57.007).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Piloblephis rigida (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: brycelee via iNaturalist · CC BY 4.0 · resized.