Viola wittrockiana is a large-flowered pansy in various color combinations. One, two- to three-color in white, violet blue, lavender, purple, orange, yellow, pink, red. This pansy starts flowering as early as autumn, if it freezes the flowering is interrupted but as soon as the weather improves they continue flowering into May. Some varieties are Viola wittrockiana Colossus Ocean, Colossus Purple with Blotch, Colossus White Purple Wing, Delta Lavender Surprise, Delta Marina, Delta Pure White, Delta Pure Yellow, Delta True Blue, Delta White with Blotch.