Herbaceous Plants 287 



blooms earlier than the foregoing, but does not have the 

 same range of color or size of flowers. They are valuable 

 to lengthen the flowering season of the erect-growing type. 



The earliest of the phloxes are the Moss Pinks (P. subu- 

 latd). These are low-growing, creeping forms producing a 

 carpet of bloom in spring. The colors are light blue, 



Fig. 164. — Phlox paniculata. 



pink or white. This species is used for carpeting beds or for 

 edging. They succeed best in a warm, well-drained soil, 

 the surface of which dries off rapidly. The wild Sweet 

 William {P. divaricata) is deserving of attention and can be 

 easily grown in flower borders in rich soil. 



The summer-flowering perennial phloxes require a rich, 

 rather moist, soil for best results, although they can be grown 



