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Purple Giant Hyssop

Agastache scrophulariifolia

Purple giant hyssop is a tall, aromatic mint with soft lavender-purple flower spikes that hum with bees, butterflies, and hummingbirds from midsummer on. Deer-resistant and a superb nectar plant for moist sun to part shade.

Family
Lamiaceae
Type
wildflower
Lifespan
perennial
Height
3–6 ft
Spacing
2–3 ft apart
Light
sun, part shade
Soil moisture
moist, dry
Soil pH
neutral, acidic
Bloom
July, August, September
Bloom colors
purple, pink
Wildlife value
pollinators, butterflies, hummingbirds
Landscape uses
border
Native states
CT, IA, IL, IN, MN, NC, NJ, NY, PA, VA, WI