Marsh Eryngo
Eryngium aquaticum
Found in tidal freshwater to brackish marshes; slightly inland in wet peaty pine savannas over calcareous substrates. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Florida. How scores work Is it native here?
Profile 94%
- Height
- 1.5–4 feet
- Spread
- 1–4 feet
- Light
- Full sun
- Soil moisture
- Somewhat dry to standing water
Space about 2.5 ft apart from its recorded spread, about 16 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Biennial or perennial
- Leaves
- Evergreen
- Bloom
- July to September
Recorded in 19 Florida counties.
Habitats
Salt and brackish marshes; pine savannas.
Each habitat page lists the plants and wildlife also found there. All habitats
Who uses this plant?
5CaterpillarsGenus host records with ranges including FL
Genus host records with ranges including FL · Eryngium
- Papilio polyxenesBlack Swallowtail, Celery Caterpillar, Fennel Worm, Desert Black Swallowtail, Parsnip Swallowtail
- Spodoptera frugiperdaFall Armyworm Moth
- Spoladea recurvalisHawaiian Beet Webworm
- Udea rubigalisCelery Leaftier
- Vanessa carduiPainted Lady, Cosmopolite
46BeesSoutheastern regional records
Southeastern regional records · Eryngium
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Apiaceae
- Hardiness
- Zones 6a–8b
- Soil pH
- Acidic
- Flower color
- Blue, purple or white
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “July to September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “Blue, purple or white” · NC Extension Plant Toolbox
- Hardiness · “Zones 6a–8b” · NC Extension Plant Toolbox
- Height · “1.5–4 feet” · NC Extension Plant Toolbox
- Leaves · “Evergreen” · NC Extension Plant Toolbox
- Life cycle · “Biennial or perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day)” · NC Extension Plant Toolbox
- Soil · “Frequent standing water; Occasionally dry; Occasionally wet” · NC Extension Plant Toolbox
- Soil pH · “Acidic” · NC Extension Plant Toolbox
- Spread · “1–4 feet” · NC Extension Plant Toolbox
Conservation status
| Florida rank | SNR |
|---|---|
| Global rank | G4 |
| FL status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Atlas of Florida Plants
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- FloraQuest: South Central (Weakley), phone app (app page)
- FloraQuest: Florida (Weakley), phone app (app page)
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- 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

