Hydrangea ' Preziosa' is a deciduous shrub with large, violet-flushed green leaves & quantities of round mophead-style flowerheads in late summer & early autumn. Flowers start out deep pink & gradually mature to reddish-violet. Hydrangeas need a soil that does not dry out in summer, & do best in partial shade. RHS Award of Garden Merit winner. Height 90-100cm. Supplied in a 3 litre pot.