Agastache 'Blue Boa'

Blue Boa Hyssop, Hummingbird Mint

Deciduous Perennial

One of the showiest hyssop with its long, wide, deep-violet flower spikes held strongly over green leaves from summer into fall. Drought tolerant once established and attracts hummingbirds as well as butterflies. Deer and rabbit resistant.

Growing Conditions

Zone: 5, 6, 7, 8, 9, 10

Exposure: Full Sun, Afternoon Sun

Water Needs: Average, Occasional


Size: 30 - 36 tall x 24 - 36 wide
Shape / Form: Clumping
Foliage Texture: Coarse, Medium
Foliage Quality: Coarse, Medium

Features: Attracts Birds, Attracts Butterflies, Attracts Hummingbirds, Drought-tolerant / Water wise, Attracts Bees, Flowers, Fragrant, Long Blooming

Foliage Color: Green

Flower Color: Purple / Violet
Bloom Season: Summer, Late Summer / Early Fall
Flower Shape: Spike /Spire

Uses and Applications

Landscape Uses: Attracts Pollinators, Beds and Borders, Cutting Garden, Habitat, Massed
Special Situations: Deer Resistant, Heat Tolerant, Rabbit Resistant, Reflected Heat
Wildlife: Bees, Beneficial Insects, Butterflies, Deer Resistant, Hummingbirds, Pollinators, Rabbit Resistant

More Design Considerations

Season of Interest: Summer, Late Summer / Early Fall
Position / Role: matrix / mingler
Collections: eGardenGo Favorite

Care and Maintenance

Maintenance Level: medium
Maintenance Tasks: Deadheading