Azalea 'Ultimate White' is a stunning, white variation of 'Alphonse Anderson', it is a hardy, vigorous growing Azalea bearing a profusion of large single white flowers in spring and again as spot flowers in autumn. Prefers a full sun to part shade position with a well-drained, humus rich soil that is slightly acidic. Is hardy once established. Prune after flowering to maintain a compact shape, mulch well during extended dry periods and fertilise with an Azalea specific or a complete organic fertiliser in spring and late summer.