An easy to maintain compact garden shrub pieris japonica 39passion39 is at its best in spring when whorled vivid red foliage appear as well as a profusion of small pink45red flowers this 39lily of the valley shrub39 requires minimum pruning but it can be pruned to a required size and this will encourage vigorous flowering it is best grown in borders with acidic soil or patio containers containing acidic 40ericaceous41compost height and spread 25m 4083941