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Plant Database
common cowparsnip

common cowparsnip

Heracleum maximum

herbaceous☀️ full sun💧💧 moderate water Hardy: Zone 3aZone 8b

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A large herbaceous perennial with coarse, deeply lobed leaves and tall stems topped with flat-topped clusters of small white flowers. Native to eastern North America, it thrives in moist areas and can spread aggressively.

Overview

Form
Upright
Growth Rate
fast
Size
4–8′ tall × 2–4′ wide
Dormancy
deciduous
Family
Apiaceae

Native to the United States

Native Range

Eastern North America

Native to: Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Maryland, Delaware, Virginia, West Virginia, Ohio, Michigan, Indiana, Illinois, Iowa, Minnesota, Wisconsin, Missouri, Kentucky, Tennessee, North Carolina

Seasonality

Bloom Season

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

Season of Interest

SpringSummer

Companion Planting

Plants well with