Agastache 'Astello Indigo'
This makes an excellent garden plant, being a strong grower but having a bushy compact habit and masses of flower spikes. Dark green leaves and gorgeous upright spikes of indigo blue flowers which are loved by bees and butterflies. Prefers a sunny spot with good drainage. Hardy perennial, winter dormant, Fleuroselect Gold Medal winner. 50cm H x 40cm W. 9cm pot.