Phlox paniculata ‘Blue Paradise’ has clusters of double flowers that open pale blue but darken to violet blue with red edges aas it ages. ‘Blue Paradise’ is a classic perennial used in mid-border cottage gardens, mixed or herbaceous borders or in containers. Phlox thrives in sun or partial shade in moist soil in an area of good air circulation. Phlox is an excellent cut flower. Deadhead to extend flowering season and divide clumps evey three (3) to four (4) years.