Spiraea betulifolia 'Tor' is a charming little shrub with a tidy rounded habit. It produces flattened groups of pretty white flowers between May and July that attract bees and butterflies in abundance. The thick framework of Spiraea betulifolia 'Tor' is covered by birch-like foliage. As summer turns to autumn the rich green leaves change to rich shades of crimson, mauve and orange. This hardy perennial shrub reaches one metre in height and is perfect for low hedging and in wildlife gardens or at the front of mixed borders. Height and spread: 100cm (39)