Agapanthus 'Navy Blue' | 7.5LAgapanthus 'Navy Blue' is a vigorous, deciduous perennial with long, strap shaped, dark green leaves. It produces large, rounded heads of deep blue flowers in summer, which are held on strong, upright stems. The flowers are fragrant and attract bees and butterflies. Agapanthus 'Navy Blue' is easy to grow and is suitable for planting in borders, pots or containers. It is hardy in most parts of the UK.