Quick Facts

• Mature size: Approx. 700–900mm high x 500–600mm wide

• Position: Full sun/partial shade

• Foliage: Dark green, almost black stems and leaves

• Flowering: Late summer to autumn

• Flower colour: Deep purple, daisy-like blooms

• Climate tolerance: Frost-tolerant

• Water needs: Moderate; drought-tolerant once established

• Maintenance: Low

Why You’ll Love It

Aster ‘Lady in Black’ is a striking perennial known for its deep purple blooms and dark, almost black stems, creating dramatic contrast in borders and perennial plantings. Flowering from late summer through autumn, it provides a long-lasting display of rich colour that pairs beautifully with lighter perennials and ornamental grasses.

Planting & Care Tips

• Plant in full sun for best flowering and strong stem colour

• Prefers well-drained soil; adaptable once established

• Water during establishment, then moderately once established

• Deadhead spent flowers to prolong blooming

• Cut back stems in late winter or early spring to encourage fresh growth

• Ideal for pairing with soft-colored perennials or grasses to highlight its dark stems and blooms