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Agastache 'Blue Boa' (PBR)

Mexican giant hyssop

Eventual height & spread

Agastache 'Blue Boa' (PBR)

Mexican giant hyssop

  • in stock
    (shipped in 2-3 working days)
  • 2 litre pot
  • £17.99
Delivery options
  • Standard £5.95
  • Named day £14.95
  • Position: full sun
  • Soil: well-drained, fertile soil
  • Rate of growth: average
  • Flowering period: July to October
  • Hardiness: frost hardy (may need winter protection)

    Chunky spikes of deep violet-blue flowers appear over a long period from midsummer attracting a host of beneficial insects, so it's perfect for a wildlife-friendly garden, while the rich green insects, so it's perfect for a foliage, which releases its liquorice-like aroma when gently bruised, makes it valuable for sensory gardens.

  • Garden care: Don't cut back the faded flower-stems until early spring, as they provide interest in the winter months. Lift and divide congested colonies in spring.