Schizanthus, Poor man's orchid, Butterfly flower (Schizanthus x wisetonensis).
Schizanthus has large clusters of flowers that open above the finely cut, fernlike foliage. Compact varieties can grow up to 2.5 feet tall and, when loaded with flowers, tend to tumble. The range of flower color is wide: pink, white, lavender, blue, gold, red, and magenta, with many flowers marked with other colors.
If you want more information about this flower, just search the plant's Latin (botanical) name on Google: