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Public Plant Profile

Obsidian Coralbells

Heuchera x 'Obsidian'

Category: Perennial • Coralbells

Obsidian Coralbells features dark foliage and is ideal for shaded borders and mass plantings.

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Mature Height: 8-10 inches

Mature Width: 12-16 inches

Bloom Color: White

Bloom Time: Mid-Summer

Light: Shade

Zone: Zones 4-9

Maintenance: Low

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

Obsidian Coralbells is a stunning perennial known for its dark, almost black foliage that adds dramatic contrast to any garden. This plant produces delicate flower spikes in spring, attracting pollinators and providing visual interest. It's perfect for shaded areas and can thrive in various soil types, making it a versatile choice for gardeners.

Ideal Conditions

Prefers partial to full shade and well-drained soil. Moisture should be consistent but not waterlogged.

Soil Preferences

Thrives in well-drained soil with moderate moisture. Prefers slightly acidic to neutral pH and is adaptable to various soil types.

Sun Needs

Shade

Landscape Guidance

Landscape Use

bordermass plantingspecimen

Special Features

Dark foliageattractive flowersdrought-tolerant

Wildlife Value

Attracts pollinators and provides habitat.

Resistance / Tolerance

Drought tolerant.

Notes from Our Designer

Great for adding contrast in shady areas. Works well in woodland gardens or as a ground cover.

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Design Ideas Using This Plant

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Helpful Next Steps

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Frequently Asked Questions

Is Obsidian Coralbells 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. Bold Outdoors evaluates those practical conditions before recommending a plant broadly.

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 and installation plan for the property.

Next Step

Ready to plan your landscape?

Browse more plants or reach out and we will help you choose the right combination for your space.

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