Jack of Diamonds Heartleaf Brunnera (Brunnera macrophylla 'Jack of Diamonds')

Jack of Diamonds Heartleaf Brunnera (Brunnera macrophylla 'Jack of Diamonds') is a shade-loving herbaceous perennial grown for its large, heart-shaped leaves overlaid with silver and marked by dark green veins. Airy, branching clusters of baby-blue, forget-me-not-like flowers appear above the foliage in spring.

Grow in part shade and rich, consistently moist, well-drained soil. Its bold foliage adds texture to woodland borders and groundcover plantings.

Growing details

• Plant type: Herbaceous perennial
• Mature height: 1–1.5 feet
• Mature spread: 2–2.5 feet
• Spacing: Approximately 2 feet apart
• Hardiness: USDA zones 3–8
• Light: Part sun to part shade
• Soil: Rich, consistently moist and well-drained
• Flowers: Baby blue
• Bloom season: Spring
• Foliage: Large, heart-shaped silver leaves with dark green veins

Care and garden use

This low-maintenance perennial can struggle in hot, humid summer climates. Protect from hot summer sun, which can scorch the foliage, and maintain consistent soil moisture. Watch for slugs and snails.

Use as an accent or in grouped plantings, borders, woodland gardens, naturalized areas, wildlife gardens, foundation plantings, or containers. Pair with bleeding hearts, Lenten rose, or foam flower where growing conditions suit each plant.

Image credit: Proven Winners, 'Jack of Diamonds' Heartleaf Brunnera. Plants naturally vary in appearance and may differ from the images shown.