Striking, spiky, violet-blue textural looking plant that hones in butterflies, bees and small birds into your garden. Lovely vibrant colour that adds zing to your borders amp; pots throughout the summer into autumn. Leave the flower stems on throughout the winter where possible, this will give you interest in the winter months especially when the frost settles onto the spikey-like growth. Flowers July-October. Height 80-90cm (32-36").