91-98 Days to maturity. Viola x wittrockiana. Colossus Series Pansy Seeds. Non-GMO, hybrid. Premium Quality Seeds, annual. Colossus Series Mix pansy seeds promise delicate, convenient, and early spring blooming to your garden when others can not. Colossus Series Mix seeds are easy-to-grow frost-hardy plants that thrive in a wide range of cool and well-shaded North American gardens. These seeds grow a compact, dwarfed mound with stunning 4-5 inch blooms in a mix of bi-colored petals of many shades. Hardy annual will overwinter where winters are mild. Pansies do not tolerate extreme heat.