Bears breeches are striking impactful perennials which produce statuesque spires of immensely pretty purple white and lilac flowers from may to september tough as old boots and very easy to grow the flowers are weatherproof so theyll look great whatever the british summer throws at them growing to 1m 3ft tall they are perfect for growing in clumps in your garden or on their own in pots plant them now to establish the roots while the weather is warm theyll die back this autumn and