Agastache
‘Ava’ hyssop Agastache ‘Ava’ is a hybrid between A. cana and A. barberi. The raspberry-red flower spikes have deeper red calyxes, which remain colorful even after flowers fade. This makes ‘Ava’ a good choice for dried flowers. Both the foliage and flowers are fragrant. It grows 4-5 feet tall. Zones 5-10 ‘Blue Fortune’ anise hyssop Agastache foeniculum ‘Blue Fortune’ has lavender-blue flower spikes on 3-foot-tall plants from July through September. Zones 4-10...