Agapanthus: Get one or two agapanthus 'Ever Sapphire' plants - AKA Lily of the Nile! Tough: A tough, fast growing and drought tolerant variety of plant. Perfect for: Dotting in clumps in beds and borders, or in patio pots. Variety: A semi-dwarf variety which produces multiple spikes of bright blue flowers. Peak growth: Approx. peak height; 60cm. Approx. peak spread; 60cm. Agapanthus 'ever Sapphire' Plant | Blue | Living Social