Hyssop, Blue Boa Hyssop

Hyssop, Blue Boa Hyssop

Agastache x 'Blue Boa'

This upright perennial bears fragrant purple flowers in summer fall.

  • Purple flowers are produced in summer fall, providing colour through the bloom season.
  • Upright clump, reaching 60 cm at maturity; divide every three to four years to maintain vigour.
  • Best in full sun with moist, average, dry, well-drained soil.
Size
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Plant Characteristics

Sunlight
Full sun
Soil Moisture
Well-drained, Moist, Dry, Average
Drought Tolerant
✓
Hardiness Zone
6 – 6
Mature Height (meters)
0.45 – 0.6
Mature Spread (meters)
0.5 – 0.6
Growth Rate
Medium
Flower Colour
Purple
Foliage Colour
Green
Bloom Time
SummerFall
Habit
Upright
Deer Resistant
✓
Rabbit Resistant
✓
Pollinator Friendly
✓
Attracts Birds
✓
Fragrant
✓
Landscape Uses
Border, Accent, Mass planting
Growing & Maintenance Tips
Grows best in full sun and an average to dry, well-drained soil. If desired, pinch main stems in June just before the buds form, to keep the plant compact. After flowering, remove old flowers to promote a second flowering. No serious pest or disease problems.
Notes
Also referred to as Anise Hyssop, Giant Hyssop. Licorice-scented foliage can be used in teas and added to salads.

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