Heuchera Obsidian

Heuchera Obsidian - Jet Black Foliage Shade Perennial | 10-12 Inches Tall, Individual Plants

Add bold contrast and dramatic foliage to your landscape with Heuchera 'Obsidian'. This standout perennial is prized for its deep, nearly jet-black leaves that hold their intense color throughout the growing season. Bred for strong performance and consistent color retention, Obsidian is an excellent choice for adding depth and sophistication to shaded and partially sunny garden spaces.

Its large, glossy leaves form a dense, mounding habit that creates a striking visual anchor in garden beds and containers. While it produces small, light-colored flowers in late spring, they are secondary to the plant’s primary appeal—its rich, dark foliage. With its compact size and reliable growth, Heuchera Obsidian delivers long-lasting impact with minimal maintenance.

Why You'll Love the Heuchera Obsidian

Jet Black Foliage: Deep, almost black leaves provide bold contrast and standout color in the landscape.

Bred For Strong Performance: Selected for excellent color retention and dependable garden performance.

Compact Landscape Size: Growing 10 to 12 inches tall and 16 to 20 inches wide, ideal for borders and containers.

Low Maintenance Perennial: Easy to grow and adaptable once established.

Heuchera Obsidian Details

Botanical Name: Heuchera 'Obsidian'
Type: Perennial foliage plant
Mature Size: 10-12" tall × 16-20" wide (mounding habit)
Growth Rate: Moderate growth rate
Light: Partial shade to partial sun
Soil: Well-drained soil rich in organic matter
Water: Water regularly until established, prefers consistent moisture
USDA Hardiness Zones: 4, 5, 6, 7, 8, 9

Growing Conditions

Soil Adaptability: Performs best in well-drained soil enriched with organic matter. Avoid overly wet or poorly drained soils.

Light Requirements: Thrives in partial shade but can tolerate morning sun. In cooler climates, it can handle more sun with adequate moisture.

Hardiness: USDA zones 4-9, making it highly adaptable across a wide range of climates.

Care Instructions

Watering: Water regularly during the first growing season to establish roots. Maintain consistent moisture, especially during hot periods.

Pruning: Remove spent flower stems and trim back older foliage in early spring to encourage fresh growth.

Fertilizing: Apply a balanced slow-release fertilizer in spring to support healthy foliage and plant vigor.

Landscaping Uses

Versatile Applications: Heuchera Obsidian’s bold foliage and compact size make it suitable for: borders, container gardens, shaded beds, woodland gardens, and groundcover plantings.

Dramatic Contrast Accent: Its near-black foliage makes it ideal for pairing with bright greens, silvers, and colorful blooms for high-impact combinations.

Frequently Asked Questions

How far apart should I plant Heuchera Obsidian? Space plants 16 to 20 inches apart on center to allow for mature spread.

Is Heuchera Obsidian grown for flowers or foliage? It is primarily grown for its dramatic black foliage, with flowers being a secondary feature.

Does Heuchera Obsidian keep its dark color? Yes, it is specifically bred for strong color retention throughout the growing season.