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Flower-of-an-hour

Hibiscus trionum

Found in fields, roadsides, railroad yards, disturbed areas. FloraQuest, phone app (app page) What its natural habitat tells you

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Not native

Not native to Florida. How scores work Is it native here?

Profile 71%

Height
4–24 inches
Light
Full sun
Soil moisture
Dry to moist

At a glance

Life cycle
Annual
Bloom
June to September

Not yet recorded · Spread · Leaves

Recorded in 2 Florida counties.

Ecological relationships

Who uses this plant?

What these records mean

41CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Hibiscus

  • Acharia stimuleaSaddleback Caterpillar Moth
  • Alabama argillaceaCotton Moth, Cotton Leafworm Moth, Cotton-Worm Moth
  • Amyna strictaEight-Spot Moth
  • Anomis erosaYellow Scallop Moth, Mallow Caterpillar
  • Anomis flavaTropical Anomis Moth
  • Anomis illitaOkra Leafworm Moth
  • Anomis impastaGrey-Eyed Scalloped Moth
  • Anticarsia gemmatalisVelvetbean Caterpillar Moth
  • Automeris ioIo Moth
  • Burnsius albezensWhite Checkered-Skipper, Western Checkered Skipper
Show all 41
  • Burnsius communisCommon Checkered-Skipper
  • Burnsius oileusTropical Checkered-Skipper
  • Chloridea virescensTobacco Budworm Moth
  • Elasmopalpus lignosellaLesser Cornstalk Borer
  • Euclea delphiniiSpiny Oak-Slug Moth
  • Eudryas unioPearly Wood-Nymph
  • Feltia subterraneaSubterranean Dart, Granulate Cutworm
  • Halysidota cinctipesFlorida Tussock Moth
  • Helicoverpa zeaCorn Earworm Moth
  • Hypena scabraGreen Cloverworm Bomolocha, Black Snout
  • Hyphantria cuneaFall Webworm
  • Idia lubricalisGlossy Black Idia
  • Megalopyge opercularisSouthern Flannel Moth, Puss Caterpillar
  • Meskea dyspterariaWindow-Winged Moth
  • Orgyia leucostigmaWhite-Marked Tussock Moth
  • Platynota rostranaOmnivorous Platynota
  • Spodoptera dolichosSweetpotato Armyworm, Dolichos Armyworm, Large Cotton Armyworm
  • Spodoptera eridaniaSouthern Armyworm Moth
  • Spodoptera frugiperdaFall Armyworm Moth
  • Spodoptera latifasciaOrange-Striped Armyworm, Velvet Armyworm Moth
  • Spodoptera ornithogalliYellow-Striped Armyworm Moth, Cotton Cutworm
  • Strymon istapaMallow Scrub-Hairstreak, Dotted Hairstreak; Modest Hairstreak, [Columella Hairstreak : former mis-applied name]
  • Strymon melinusGray Hairstreak
  • Synanthedon geliformisPecan Bark Borer Moth
  • Tarache apricaExposed Bird-Dropping Moth
  • Tarache delectaDelightful Bird-Dropping Moth
  • Thyridopteryx ephemeraeformisEvergreen Bagworm Moth
  • Urodus parvulaBumelia Webworm
  • Chionodes hibiscella
  • Epiblema numerosana
  • Telamoptilia hibiscivora
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—BeesSoutheastern regional records
1Specialist beesPollen specialists

Pollen specialists · Hibiscus

  • Ptilothrix bombiformis
Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
1BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Hibiscus

  • Coccothraustes vespertinusEvening Grosbeak
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

Growing and identification

Plant details

Family
Malvaceae

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
  • Bloom · “June to September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Height · “4–24 inches” · Minnesota Wildflowers
  • Life cycle · “Annual” · Minnesota Wildflowers
  • Light · “Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as

Flower of an Hour; Venice Mallow

Conservation status

Florida rankSNA
Global rankGNR
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

Native alternatives

Find natives for your garden

Sources