Bloomipedia
Scrambling dayflower (Commelina diffusa)
Photo: Ken Clark via iNaturalist · CC BY 4.0 · resized

Flower profile

Scrambling dayflower

Commelina diffusa

Not native to Hawaii

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

26states
666HI sightings*
4,511U.S. sightings*

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

On our lists for: Hawaii

Quick look

Commelina diffusa, sometimes known as the climbing dayflower or spreading dayflower, is an herbaceous plant in the dayflower family. Its native distribution is Paleotropical, including tropical and southern Africa, Yemen, the Indian Subcontinent, Indochina, Peninsular Malaysia, southern China, Japan, Korea, the Philippines, New Guinea, and the Pacific Islands.

  • It belongs to the Commelinaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) with a annual, perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 26 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
  • USDA PLANTS lists its flower color as blue. USDA PLANTS
  • USDA PLANTS gives its bloom period as summer. USDA PLANTS
  • USDA PLANTS lists a mature height of about 1 ft. USDA PLANTS
  • iNaturalist has 666 research-grade sightings of it in Hawaii, ranking #75 among the 105 flowers on our Hawaii list. iNaturalist

Scrambling dayflower gift ideas

Handmade scrambling dayflower 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”) (26 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
Other states where NatureServe ranks it rare or missing: KS (S2). (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?

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 records scrambling dayflower in 26 states plus Washington, D.C.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Arkansas, Delaware, Florida, Georgia, Hawaii, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Mississippi, Missouri, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia; District of Columbia.

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

More Hawaii flowers

Sources