30
This lovely Michaelmas Daisy, as the name suggests, produces an abundance of double, lavender blue flowers beginning in late August, when other plants are starting to fade. Aster novi-belgii 'Lady in Blue' has a compact, dwarf habit that is ideal for patio containers or edging the front of borders. Its nectar-rich blooms are loved by pollinating insects, making it an excellent choice for wildlife gardens. This low-maintenance perennial will add a splash of vibrant colour to your garden at the end of the growing season. Height and spread: 30cm (12?)