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

Attracts Wildlife:

  • Attracts Pollinators
  • Attracts Butterflies
  • Attracts Humming-birds


  • Drought Tolerant
  • Native
  • Summer Bloomer
  • Naturalizing
  • Fragrant
  • Heat Tolerant

Critter Resistance:

  • Deer Resistant


  • Full Sun
  • Sun/ pt.shade

Foliage Color:

  • Green

Season of Interest (Flowering):

  • Summer

Season of Interest (Foliage):

  • Summer
  • Spring

Soil Moisture:

  • Moist, Well-Drained
  • Dry Soil

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