Plant Library
Blue Hyssop Giant Blue
Common Name: Blue Hyssop
Botanical Name: Agastache
Variety: Giant Blue
Blossom Color: Lavender-Blue
Bloom Time: Jun-Sep
Zone: 3 to 8
Exposure: Full Sun to Part Shade
Mature Height: 24-48"
Mature Width: 18-36"
Notes: Minnesota Native. Tall, bright lavender blue flower spikes on strong, upright stems. Excellent long season nectar season for bumblebees, hummingbirds, and butterflies. 24-48 inches. Native wildflower. Butterflies. Hummingbirds. Bees. Reseeds readily and seedlings are easy to transplant. Drought tolerant once established. A.k.a. Anise Hyssop.