Phlox Pan Blue Paradise
'Blue Paradise' was introduced by Dutch nurseryman, Piet Oudolf, in 1990. The spicy vanilla-clove scented, 1 1/2 in. wide flowers respond to differing light conditions and open violet blue at dawn, develop a purple hue during the day and change back to violet blue at dusk. It grows 2 to 3 ft. tall and 1 to 2 ft. wide. 'Blue Paradise' has good powdery mildew resistance.