Bloomipedia
Bearded begonia (Begonia hirtella)
Photo: Yj via iNaturalist · CC BY 4.0 · resized

Flower profile

Bearded begonia

Begonia hirtella

Not native to Hawaii

Bearded begonia is a wildflower that USDA PLANTS lists as introduced in the lower 48 states. In Hawaii it's most often seen in bloom in January–December.

2states
703HI sightings*
707U.S. sightings*

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

On our lists for: Hawaii

Quick look

Begonia hirtella, the bearded begonia, is a species of flowering plant in the family Begoniaceae. It is native to Jamaica, Venezuela, Colombia, Peru, Bolivia, and southern Brazil, and has been introduced to many tropical locales around the world. People apply its juices to their skin to treat itchiness from insect bites.

  • It belongs to the Begoniaceae 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 2 states. USDA PLANTS
  • NatureServe lists it as not native to Hawaii. NatureServe
  • In Hawaii, most iNaturalist sightings of it in flower come in January–December. iNaturalist
  • iNaturalist has 703 research-grade sightings of it in Hawaii, ranking #68 among the 105 flowers on our Hawaii list. iNaturalist

Bearded begonia gift ideas

Handmade bearded begonia gifts from independent makers.

When does it bloom?

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

Flowering records by month in Hawaii (iNaturalist research-grade observations marked “Flowering”) (96 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
Hawaii
Not listed Not on Hawaii threatened and endangered plants (HAR 13-107; the state list follows the federal list), DLNR Division of Forestry and Wildlife. NatureServe: SNA, not applicable (usually because it isn't native there) in Hawaii. HAR 13-107
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 petsToxic to dogs, cats and horses

ASPCA's entry “Begonia” (Begonia spp), which covers the whole genus, lists it as toxic to dogs, cats and horses. Signs include: Kidney failure (in grazing animals), vomiting, salivation in dogs/cats. Most toxic part is… 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 bearded begonia in 2 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Florida, Hawaii.

Hawaii counties with USDA records: Hawaii, Honolulu, Maui.

More Hawaii flowers

Sources