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| Anise hyssop|
Long, square stems bear fragrant dentate, lanceolate green leaves and whorls of small violet-pink flowers. Perhaps less showy than the hybrid A. 'Blue Fortune,' A. rugosa is reported to be very cold hardy.
Plant Type: perennial
Plant Form or Habit: upright/vertical
Plant Use: In beds and borders, as cut flowers
Width: Minimum: 12 inches Maximum: 30 inches
Foliage Texture: medium
USDA Hardiness Zone: 5
Water Requirements: average
Additional Comments: Our planting of A. rugosa grew to 40 inches and bloomed from June through September.