Agastache foeniculum

Blue Giant Hyssop

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  • Lavender- Blue flower spikes in June - September
  • Anise scented foliage
  • Typically found in prairies, dry upland forested areas, plains and fields
  • Best in sun, well drained soil
  • Spreads by rhizomes, will self-seed in optimum conditions

Height: 2-4 ft
Spread: 2-3 ft

Zone: 4-8
Color: Lavender- Blue

Characteristics & Attributes


  • Native

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