Purple Giant Hyssop

Agastache scrophulariifolia

Giant blue hyssop contains essential oils that provide aromatic and medicinal uses. Adored by pollinators and provides important late season nectar. Its tall height makes it a good choice as a background against fencing.

Water: Wet or Moist

Hardiness: Frost Hardy

Habit: A late-flowering, perennial herb that can grow up to 6' tall, with aromatic foliage and flowers

Light: Full Sun

Soil: Moist but well-draining

Origin: United States and Northern Ontario

Purple Giant Hyssop