Weve put together the wallflower sunset collection partly for the sensational array of colours but also for their magically enticing fragrance your butterflies and bees will be enchanted by the exotically sweet fragrance of these blooms our wallflower sunset collection prefers cooler temperatures and will flower twice during the year 45 in spring and then again in autumn these resilient hardy perennials look equally lovely in garden borders or patio pots collection comprises 39