Fennel
Foeniculum vulgare
Found in fields, dredge spoil, old gardens, waste places, vacant lots, roadsides. FloraQuest, phone app (app page) What its natural habitat tells you
—
Not native
Not native to Florida. How scores work Is it native here?
Profile 76%
- Height
- 4–6 feet
- Spread
- 1.5–3.25 feet
- Light
- Full sun
- Soil moisture
- Somewhat dry to moist
No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Perennial
- Bloom
- May to August
- Fruiting season
- August to September
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Not yet recorded · Leaves
Recorded in 2 Florida counties.
Habitats
Roadsides, fields and disturbed ground.
Each habitat page lists the plants and wildlife also found there. All habitats
Ecological relationships
Who uses this plant?
2CaterpillarsGenus host records with ranges including FL
Genus host records with ranges including FL · Foeniculum
- Carmenta texanaTexana Clearwing Moth
- Papilio polyxenesBlack Swallowtail, Celery Caterpillar, Fennel Worm, Desert Black Swallowtail, Parsnip Swallowtail
Growing and identification
Plant details
- Family
- Apiaceae
- Hardiness
- Zones 4a–9b
- Soil pH
- Acidic to alkaline
- Flower color
- Yellow
- Fruit begins
- August
- Fruit ends
- September
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “May to August” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “Yellow” · NC Extension Plant Toolbox
- Fruit begins · “August” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Fruit ends · “September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Hardiness · “Zones 4a–9b” · NC Extension Plant Toolbox
- Height · “4–6 feet” · NC Extension Plant Toolbox
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day)” · NC Extension Plant Toolbox
- primary_flower_color · “yellow” · NC Extension Plant Toolbox
- Soil · “Moist; Occasionally dry” · NC Extension Plant Toolbox
- Soil pH · “Acidic to alkaline” · NC Extension Plant Toolbox
- Spread · “1.5–3.25 feet” · NC Extension Plant Toolbox
Also known as
Sweet Fennel
Conservation status
| Florida rank | SNA |
|---|---|
| Global rank | GNR |
| FL status | Not verified |
| Federal status | Not verified |
Native alternatives
Find natives for your gardenSources
- Atlas of Florida Plants
- USDA PLANTS
- NatureServe Explorer
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- 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
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

