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common cowparsnip

common cowparsnip

Heracleum maximum

perennial☀️ full sun💧💧 moderate waterZone 3a – Zone 8b

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

Tolerances & Soil

low

Flood Tolerance

moderate
Zone 3aZone 8b
1471013
ColderWarmer
Zone range: Zone 3a to Zone 8b

pH Range

5.47.3
7.0
3.556.589
pH range: 5.4 to 7.3

Soil Texture

Coarse, Medium, Fine

Seasonality

Bloom Season

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

Season of Interest

SpringSummer

Succession Role

pioneerearly successional

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

Function & Care

biomass/mulchdynamic accumulatorpollinator nectarywildlife benefit

Establishment & Care

Establishment
easy
Maintenance
high
Propagation
seed