91-98 days. Sorbet Series seeds grow year-round violas in your home or garden when others can not. Often planted as annuals, Sorbet Series viola seeds are perennials that grow to be hardy, cold-tolerant, and thrive in a wide range of temperate North American climates. Sorbet Series viola seeds grow compact, yet durable 6-8 inch tall mounds of spectacular color ideal for indoors, hanging baskets, or as a potted gift. Sorbet Series violas are an edible flower used by professional chefs as an aromatic accent or garnish to salads and other savory meals.