Easy and rewarding plants to grow, the colourful flowers of this gorgeous crocus will herald the onset of spring, and if left undisturbed will form an ever increasing clump year after year. Emerging first as fattened, flame-like buds, these soon open up in sunny weather to form bowls of vibrant lilac, white and yellow flowers. Plant them in pots and windowboxes where you can enjoy them close up, or scatter them towards the front of a border,