Bloomipedia
Elephant ear (Xanthosoma robustum)
Photo: Zoltán Stekkelpak via iNaturalist · CC0 · resized

Flower profile

Elephant ear

Xanthosoma robustum

Elephant ear is a flowering plant.

0states
615HI sightings*
726U.S. sightings*

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

On our lists for: Hawaii

Quick look

Xanthosoma robustum, also known as Elephant Ear, is a robust herbaceous plant native to Central Mexico and Central America that can grow up to 4 meters tall. It's an important plant with uses in medicine, environmental applications, and as a food source. This species has large, waxy, green leaves that can grow over a meter long.

  • It belongs to the Araceae family. iNaturalist
  • iNaturalist has 615 research-grade sightings of it in Hawaii, ranking #82 among the 105 flowers on our Hawaii list. iNaturalist

Elephant ear gift ideas

Handmade elephant ear gifts from independent makers.

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (4 records)

There are only a handful of Hawaii flowering records, so this chart uses records from across the U.S.

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe
Unknown We couldn't find this name in NatureServe Explorer. 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. HAR 13-107

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 has no state-by-state distribution for this name, so we can't map it yet.

More Hawaii flowers

Sources