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Agastache Black Adder

Giant Hyssop

Butterflies and other pollinators flock to the purple bottlebrush spikes. 'Black Adder' is a sterile hybrid - which means continuous bloom from summer 'till frost! Perfect for the middle to back of the perennial border.

  • Category:Perennials
  • Hardiness Zone:5-9
  • Tall:36 Inches
  • Wide:24 Inches
Attributes
• Fall Bloomer
• Fragrant
• Heat Tolerant
• Upright
Flower Color
• Violet
Foliage Color
• Green
Soil Moisture Preference
• Average
• Good Drainage
Wildlife
• Attracts Bees
• Attracts Butterflies
• Attracts Hummingbirds
• Deer Resistant
Season of Interest (Flowering)
• Summer
Exposure
• Sun
Additional Information about Agastache Black Adder

Butterflies and other pollinators flock to the purple bottlebrush spikes. 'Black Adder' is a sterile hybrid - which means continuous bloom from summer 'till frost! Perfect for the middle to back of the perennial border.