Agastache 'Blackadder'

£4.50

A tall, upright perennial with deep violet flower spikes and dark, almost black bracts that give it a distinctive look through summer and early autumn. The aromatic foliage adds extra appeal, and the flowers are a reliable draw for bees and butterflies.

Performs well in sunny, well-drained spots and holds its shape nicely without support.

Sold currently in 9cm Pots

  • Height & Spread: 90–120cm × 45–60cm

  • Position: Full sun

  • Soil: Well-drained, light to moderately fertile soil

  • Flowering Time: July to September

A tall, upright perennial with deep violet flower spikes and dark, almost black bracts that give it a distinctive look through summer and early autumn. The aromatic foliage adds extra appeal, and the flowers are a reliable draw for bees and butterflies.

Performs well in sunny, well-drained spots and holds its shape nicely without support.

Sold currently in 9cm Pots

  • Height & Spread: 90–120cm × 45–60cm

  • Position: Full sun

  • Soil: Well-drained, light to moderately fertile soil

  • Flowering Time: July to September