Browallia
Also called amethyst
(Browallia sp.)
 
Petunia-like blossoms.  Size varies.  Heavily borne on dense plants.  Blue, white, violet.  Varieties:  Blue Bells Improved, Silver Bells, Velvet Blue.
 
Soil and Light
Full sun or partial shade.  Tolerant of all soil types kept moist.
 
Planting
Sow indoors 4 to 6 weeks early, or buy transplants.
 
Comments
At end of season, cut back plants and put in pots on a sunny windowsill for winter blooms.