Viola wittrockiana
PANSY  (common pansy)
Type: annual
Bloom season: all summer
Height & Spread: 6 - 9 inches tall; 
2  inches wide
Flower colors: deep violet, blue lavender, mauve, yellow, cream, white, and  bicolors;
Site & Soil: sun, light shade; moist well drained soil
Special interest:  flowers are edible and are often used as a garnish