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Plant Database
cup plant
Weedy

cup plant

Silphium perfoliatum

herbaceous☀️ full sun💧💧 moderate water Hardy: Zone 2aZone 9b

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A tall native wildflower with distinctive cup-shaped leaves that join at the stem and golden-yellow flowers. Attracts pollinators and adds architectural interest to garden borders.

Overview

Form
Upright
Growth Rate
moderate
Size
4–6′ tall × 2–3′ wide
Dormancy
deciduous
Family
Asteraceae

Native to the United States

Native Range

Eastern North America

Native to: Connecticut, Delaware, Georgia, Illinois, Indiana, Iowa, Kentucky, Maryland, Massachusetts, Michigan, Minnesota, Missouri, North Carolina, New York, Ohio, Pennsylvania, South Carolina, Tennessee, Virginia, West Virginia, Wisconsin

Seasonality

Bloom Season

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

Season of Interest

SummerFall

Companion Planting

Plants well with