Agapanthus 'Blue Giant' is a gorgeous hybrid from Bressingham. Blue Giant has large, azure blue flowers and long, dark stems that reach a metre in height. This architectural agapanthus will add drama to the border in summer. Plant agapanthus in a well drained soil in full sun, and water in well until established. Agapanthus love to have a liquid feed every few weeks in the growing season to really encourage magnificent blooms.