Do not plant. Listed invasive in Kentucky.
Highly poisonous. Serious poisoning risk if eaten. Excluded from default planting suggestions; keep away from children and pets. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
Photographs are not available yet.
Ecological relationships
Who uses this plant?
2CaterpillarsGenus host records with ranges including KY
Genus host records with ranges including KY · Conium
- Choristoneura fumiferanaSpruce Budworm Moth
- Papilio polyxenesBlack Swallowtail, Celery Caterpillar, Fennel Worm, Desert Black Swallowtail, Parsnip Swallowtail
Growing and identification
Plant details
- Family
- Apiaceae
- Flower color
- Pink or white
Growing sources and scope
- Flower color · “Pink or white” · NC Extension Plant Toolbox
- Height · “6–10 feet” · 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); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- Soil · “Moist” · NC Extension Plant Toolbox
- Spread · “4–5 feet” · NC Extension Plant Toolbox
Also known as
Poison Hemlock; Poison hemlock
Conservation status
| Kentucky rank | SNA |
|---|---|
| Global rank | G5 |
| KY status | Not verified |
| Federal status | Not verified |
Native alternatives
Find natives for your gardenSources
- tnky_atlas
- usda
- ky_invasive
- 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