Galleries Gardening Herbs Anise hyssop seed head Anise hyssop seed head Seed head of a anise hyssop (Agastache foeniculum) plant in autumn. Keywords agastache foeniculum anise hyssop autumn blue giant hyssop fall Flower fragrant giant hyssop garden herb herb garden lamiaceae perennial Plant seed seed head seed-head seeds spike More from this shoot Anise hyssop seed head Anise hyssop seed head