Flower profile
Tridax daisy
Tridax procumbens
Tridax daisy 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.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Hawaii
Quick look
Tridax procumbens, commonly known as coatbuttons or tridax daisy, is a species of flowering plant in the family Asteraceae. It is best known as a widespread weed and pest plant. It is native to the tropical Americas including Mexico, but it has been introduced to tropical, subtropical, and mild temperate regions worldwide. It is listed as a noxious weed in the United States and has pest status in nine states.
- It belongs to the Asteraceae family. iNaturalist
- USDA PLANTS describes it as an herb (forb) with a 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 689 research-grade sightings of it in Hawaii, ranking #69 among the 105 flowers on our Hawaii list. iNaturalist
Tridax daisy gift ideas
Handmade tridax daisy 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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Tridax daisy art print
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Tridax daisy greeting card
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Tridax daisy mug
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Tridax daisy earrings
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Tridax daisy embroidery pattern
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Tridax daisy sticker
When does it bloom?
In Hawaii, 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
- GNR Not yet ranked 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?
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 tridax daisy 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, Kauai, Maui.
More Hawaii flowers
Sources
- USDA, NRCS. PLANTS Database, profile TRPR5.
- iNaturalist, Tridax procumbens: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Tridax procumbens (lead quoted under CC BY-SA 4.0).
- Hawaii: Hawaii threatened and endangered plants (HAR 13-107; the state list follows the federal list), DLNR Division of Forestry and Wildlife.
- Hawaii: Hawaii noxious weed list (HAR 4-68).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Tridax procumbens (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: kcthetc1 via iNaturalist · CC0 · resized.