deep blue-violet sweet-smelling blooms Strikes a real chord in this one. With their deep violet coloured flowers and growing to 60cm tall, it will leave the last impression and a sweet smell along with it. You'll need to play the long game for this one, it takes a while to mature, but when it does you will know about it. why it's special: * Long flowering blue blooms * Attracts pollinators and other beneficial insects * Easily grown in containers or on a windowsill