How to grow viola plants. Viola plants are often available from garden centers or online nurseries. 'Violas can be planted in early spring for a cool-weather display, or in late summer to early ...

V. cornuta varieties, frequently hybridized, are compact, 6-10 inches tall, with 1 to 2-inch flowers in two-to-three colors. They may have unusual patterns and/or rays in deeper, contrasting colors.

Flowering on Sorbet viola plants is so prolific it will obscure the foliage when they are in full bloom. Pansies rarely do this. And the smaller flowers hold up to rainy winter weather much better ...