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Magical mint-scented spikes of deep-blue flower whoch if deadheaded will keep producing blooms all summer long. A great filler for the garden and very attractive to bess and other polinators.


When to Sow: Feb- Mar

Sow indoors - Sow into pots of moist well drained compost, do not cover as they need light to germinate. Ideal temp. 18-20°C. Transplant seedlings when large enough to handle.


  • Classification: Half Hardy Perennial
  • Expert Level:  Easy to Grow
  • Germination Time: 2-4 Weeks but can take longer


  • Site: Full Sun/Part Sun
  • Soil Type: Will grow in most soils
  • Soil Acidity: All Types
  • Mositure: Well drained
  • Care: Deadhead to prolong flowering
  • Use: Garden Borders


  • Days to Maturity:  1st year flowering
  • Vase Life: Height:60cm
  • Plant Spacing:  25cm

Agastache "Astello Indigo"

  • 61 Seeds per packet Approx.

    Please note that the majority of our seeds are packed by volume so the number of seeds indicated is an approximation.

    We make every effort to provide British seeds where possible, but in some cases our British Growers are unable to grow in sufficient quantities to meet our demand or the seeds are subject to Plant breeders' rights which means it is only possible for us to buy these seeds from certain non UK flower farms 

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