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John Warren Clematis

Clematis 'John Warren'

Category: Vine • Clematis

Clematis 'John Warren' features large flowers and is perfect for climbing on trellises or fences.

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Mature Height: 6-10 feet
Mature Width: 3-6 feet
Bloom Color: Purple, Magenta
Bloom Time: Summer
Light: Sun
Zone: Zones 4-9
Maintenance: Moderate
Growth Rate: Moderate
Season of Interest: Multi-season
Foliage: Deciduous

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Bold Outdoors Verified Insight

Designed & Reviewed by

Josh Graber

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

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

25+ years of industry experience

Description

John Warren Clematis is a stunning climbing plant known for its beautiful blooms. It produces large, vibrant flowers that can enhance any garden or trellis. This variety is appreciated for its vigorous growth and ability to thrive in various conditions.

Ideal Conditions

Thrives in full sun to partial shade with well-drained soil. Prefers consistent moisture but can tolerate some drought.

Soil Preferences

Requires well-drained soil with a neutral to slightly alkaline pH. Adaptable to various soil types.

Sun Needs

Sun

Landscape Guidance

Landscape Use

fence climbingtrellis accent

Special Features

Largeshowy flowersattractive foliage

Wildlife Value

Attracts pollinators and provides habitat.

Resistance / Tolerance

Moderate drought tolerance once established.

Notes from Our Designer

Great for vertical spaces and can be used to soften hard structures. Prune to encourage blooming.

Maintenance Notes

Moderate

Complementary Plants

Plants That Pair Well in the Landscape

Selected using botanical relationships, growing conditions, color harmony, size, texture, season, and landscape use.

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Helpful Next Steps

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Frequently Asked Questions

Is John Warren Clematis 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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