Zinnias add bold, vibrant color to gardens. The more you cut, the more they bloom! Heat-loving and very easy to grow. Space plants of small kinds 8-10" apart, taller kinds up to 18" apart. Cut and Come Again Mix. Burpee's favorite double zinnia. Long-stemmed flowers 2-1/2" across are wonderful for cutting as well as in the garden. They keep on blooming from midsummer to frost. Blend of pink, bright scarlet, yellow, salmon, white and more. Ht. 24-30". Easy, Annual. Sun. Annual.