These two impressive, Agapanthus varieties complement each other perfectly, with the dark blooms of Agapanthus Poppin Purple and the bicolour of Agapanthus Fireworks make an elegant plant for any patio. Agapanthus Fireworks - RHS Chelsea Flower Show Plant of the Year 2019 with its fascinating bi-colour flowers won\'t fade and Agapanthus Poppin Purple with its dark blooms on tall, stiff stems. Masses of blooms that repeat flower. Height: 60cm (24). Spread: 45cm (18).