Agapanthus 39regal beauty39 produces simply enormous flower heads up to 30cm 40123441 in diameter33 with seemingly hundreds of deep blue blooms per head this showy evergreen perennial makes a real feature plant in borders and patio containers the evergreen strap45shaped leaves quickly form large clumps before the flowers appear in late summer requiring some winter protection this african lily is best grown in a sunny sheltered spot where it will lend an exotic feel to