Herb, perennial for mostly sun - sun in zone 6b - 9b. Grows 18 IN - 24 IN - wide, 24 IN - 36 IN - tall. Blue, purple flowers.
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ALL KNOWN NAMES:
- Agastache 'Black Adder'
- Black Adder Anise Hyssop
- Black Adder Hummingbird Mint
- Black Adder Licorice Mint