Serving the Kansas City Metro for over 25 Years
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Serving the Kansas City Metro for over 25 Years 913-585-5851 [email protected]
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Cup Plant

Silphium perfoliatum (Cup Plant)

Category: Perennial • Cup Plant

Cup Plant is a tall, attractive perennial perfect for pollinator gardens and mass plantings.

Mature Height: 3-6 feet
Mature Width: 2-3 feet
Bloom Color: Yellow
Bloom Time: Summer
Light: Sun
Zone: Zones 3-9
Maintenance: Low
Growth Rate: Fast
Season of Interest: Summer
Foliage: Deciduous

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Bold Outdoors Verified Insight

Designed & Reviewed by

Josh Graber

Owner and Landscape Designer Ā· Kansas State University Ā· 25+ Years Experience

B.S. in Horticulture and Landscape Design – Kansas State University

25+ years of industry experience

Description

Cup Plant is a tall perennial with distinctive leaves that form a cup-like structure, collecting rainwater. It produces bright yellow flowers that attract pollinators.

Ideal Conditions

Thrives in full sun and prefers moist to average soil. It is best suited for open areas with good air circulation.

Soil Preferences

Well-drained soil is ideal, tolerates a range of moisture levels, prefers neutral to slightly acidic pH, and adapts to various soil types.

Sun Needs

Sun

Landscape Guidance

Landscape Use

pollinator gardenmass planting

Special Features

Attractive yellow flowersdrought-tolerant once established

Wildlife Value

Attracts pollinators and provides seeds for birds.

Resistance / Tolerance

Drought tolerant once established.

Notes from Our Designer

Great for naturalized areas and attracts pollinators. Can grow quite tall, so consider placement accordingly.

Maintenance Notes

Low

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Is Cup Plant a good fit for Kansas City landscapes?

That depends on sun exposure, moisture, spacing, and how the plant will be used in the overall design.

How should homeowners use this plant information?

Use the plant profile as a planning tool for size, conditions, and visual role, then connect it to the broader landscape design plan.

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