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Agastache 'Black Adder'
Giant Hyssop
Plant Type: Perennial
This variety of Agastache is a sterile hybrid that produces gorgeous, tall bottle-brush spikes lined with tiny red-purple flowers that are adored by bees, butterflies, hummingbirds and other beneficial pollinators. The long lasting flowers bloom from mid to late summer and into the fall and have a pleasant anise scent. It looks fantastic when planted in prairies, meadows, mass plantings, or dotted throughout borders. It requires full sun for the best floral show and average, dry to medium soil. Once established, it is tolerant of heat and drought and is deer and rabbit resistant!
Size | Future Qty | Future Date |
---|
Mature Height:
24-36 in
Mature Spread:
18-24 in
Zone:
6-9
Bloom Color:
Purple-Red
Agastache 'Black Adder' Characteristics & Attributes:

Attracts Pollinators

Attracts Hummingbirds

Attracts Butterflies

Heat Tolerant

Fragrant

Garden

Mass Planting

Deer Resistant

Rabbit Resistant

Full Sun

Average Water

Dry Soil
Attributes
• | Fragrant Foliage |
• | Fall Bloomer |
• | Late Summer Bloomer |
• | Border or Bed |
• | Groupings |
Foliage Color
• | Green |
Habit
• | Upright |
Season of Interest (Flowering)
• | Summer |
• | Fall |
• | Late Summer |
Soil Moisture
• | Well Drained |