Polaris (August) Polaris (May) Polaris Dark purple in spring, lighter outer leaves in summer. £3.00 Out of stock. Long narrow leaves, dark purple in spring with darker tips. The outer become paler in summer with good watermarks but still with those darker tips. Large, handsome rosettes. David T. Ford (GB) 1982 Supplied as an established, growing plant in a 9cm pot, like all our plants.