Poison Hemlock

Invasive  Information

Scientific Name:   Conium maculatum


Invasive biennial, extremely toxic if eaten. Native to Europe and north Africa.

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Poison Hemlock

Genus species: Conium maculatum
Common Name: Poison Hemlock
Family Name: Apiaceae  
Annual, biennial, or perennial herbs, often aromatic and with hollow stems; leaves alternate or basal, simple to highly dissected, the petiole bases often sheathing; flowers bisexual or unisexual, mostly regular in simple to compound umbels; fruit a schizocarp.
Seed Type Angiosperm
Origin:  
Native: native to North America.
Non-native: not native to North America.
Introduced Native: native to North
America, but not Rowe Woods.
* Definitions based on the USDA
terminology
Nonnative
Category:Wildflower
Flower Color:White
Identified by:M. Becus
Months in Bloom  
The highlighted month(s) in this chart indicates the month(s) the plant has been observed blooming.
Jan Feb Mar Apr May Jun
Jul Aug Sep Oct Nov Dec