Viola x wittrockiana Large 2–2 ¼ inch electric periwinkle-and-yellow bicolor blooms add a vibrant splash of color to spring and fall gardens, patio planters, and mixed pots. Plants grow 6–8 inches tall and spread 24–30 inches wide, making an excellent ground cover. With superior overwinter hardiness, it’s often the first pansy to return in spring. Germination code: (1)