Low maintenance and long-flowering Agastache (more commonly known as giant hyssops or just hyssop) are a useful, reliable and attractive border filler for sunny gardens. The leaves are aromatic and the upright, nectar-rich flower spikes bring colour as well bees to your border. Withstanding summer heat and drought as well as cold winter conditions without fuss, resilient perennial Agastache soon become a garden staple which you can depend on seeing repeat in your garden year after year!