Agastache 'Astello Indigo' is a strong bushy plant showing an ideal combination of vigorous growth and compact habit. The upright spikes are fully covered with long-lasting, deep indigo-blue flowers to a height of around 60cm tall and 30cm wide. The long lasting flower spikes are loved by bees and butterflies and flower throughout all of Summer. The mid-green leaves are mint-scented. Position this drought tolerant plant in full sun.