Agastache are herbaceous perennials with simple, aromatic leaves and small 2-lipped tubular flowers in whorls forming dense spikes, in summer and autumn; some are rather tender but can be grown as annual bedding
A. aurantiaca 'Apricot Sprite' is a tender perennial often grown as an annual, with aromatic leaves, and spikes of 2-lipped, tubular, dark orange flowers in late summer and autumn