Bells of Ireland is a cool-weather annual is grown for its showy, cup-shaped papery green calyxes. One of the most distinctive flowers in the garden, bells of Ireland has gorgeous, slightly fragrant blooms that are a striking yellow-green. You can use it almost like a foliage plant to set off more standard greens as well as yellow or white flowers. Plants reach 2-3′ and bloom in late summer. Excellent cut or dried flowers.