Heuchera 'Obsidian'

Heuchera 'Obsidian': Dark Elegance with a Polished Edge

Sleek and dramatic, Heuchera 'Obsidian' brings the deepest shades of black-purple to the garden. Its smooth, glossy foliage forms a refined mound that catches light like polished stone, standing out in both shade and sun. In late spring, slender stems rise with tiny cream flowers—subtle and soft above the boldness below.

Plant Characteristics:

• Height: 25–30 cm (40–50 cm in bloom)
• Spread: 45–50 cm
• Flower Colour: Creamy white
• Flowering Period: Late spring to early summer
• Foliage: Glossy black-purple; smooth-edged and rounded
• Sunlight Requirements: Full sun to part shade
• Soil Requirements: Moist, well-drained soil; tolerates a range of conditions with good drainage

Uses and Benefits: Heuchera 'Obsidian' is a statement plant that brings bold foliage contrast and sleek texture to borders, containers, and mixed shade plantings. Its rich, dark leaves act as a dramatic foil for brighter greens and flowers. Versatile and elegant, it fits equally well in contemporary designs and woodland settings, offering year-round structure and seasonal bloom.

Companion Plants: Highlight Heuchera 'Obsidian' with the rippling gold-edged foliage of Hosta 'June' for luminous contrast. Add the upright, arching blades of Carex 'Gold Fountains' to bring graceful movement and echo the warm tones. Underplant with Galium odoratum, whose fresh green leaves and tiny white flowers lighten the composition and bring a woodland softness.

Care Instructions: Thrives in part shade but tolerates sun with consistent moisture. Prefers humus-rich, well-drained soil. Remove spent flower stems and tired foliage in spring. Mulch annually and divide every 3–4 years to refresh and maintain vigour.

History: Heuchera 'Obsidian' was introduced by Terra Nova Nurseries as one of the first truly black-foliaged heucheras. Renowned for its exceptional depth of colour and refined form, it remains a cornerstone in shade garden design and modern planting palettes.

Final Thoughts: With the sophistication of midnight stone, Heuchera 'Obsidian' anchors plantings with bold contrast and quiet power. Its timeless form and moody elegance make it a favourite among designers and gardeners alike.