agastache foeniculum (blue giant hyssop) native

Size: 1 gallon

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  • AKA agastache anethiodora, agastache anisata
  • tall, upright, clumping perennial
  • dense spikes of lavender-purple flowers with violet bracts
  • medium green lance-shaped aromatic foliage
  • bloom time summer
  • native to ontario
  • zone 4
  • height 100-125cm
  • spread 70-90cm
  • colour purple
  • if desired, pinch main stems in June just before buds form, to maintain a compact habit
  • remove finished flowers to promote a second flowering
  • no serious pest or disease problems
  • spreads by rhizomes
  • will easily self-seed in optimum conditions
  • grows best in full sun
  • average to dry, well-drained soil
  • attracts hummingbirds
  • attracts butterflies
  • attracts birds
  • deer resistant
  • drought tolerant
  • long blooming
  • native to ontario
  • low maintenance
  • (image courtesy of NVK nurseries, NVK holdings inc.)