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Plant Database
poison hemlock

poison hemlock

Conium maculatum

herbaceous☀️ full sun💧💧 moderate water Hardy: Zone 3aZone 10b

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A tall biennial or short-lived perennial with finely divided, feathery foliage and small white flowers arranged in umbrella-like clusters. All parts of the plant are highly toxic if ingested or absorbed through skin.

Overview

Form
Upright
Growth Rate
fast
Size
2–5′ tall × 1–2′ wide
Dormancy
deciduous
Family
Apiaceae

Native Range

Europe and western Asia

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummer

Companion Planting

Plants well with