Zinnia elegans Keep cutting for continuous blooming Easy to grow Loved by professional flower growers Benarys Giants are the zinnias of choice for professional cut flower growers. Fully double, 10-15cm (4-6) flowers have an excellent vase life. Vigorous plants perform well through the summer allowing for multiple cuts. Keep cutting for continuous blooms. Approx. 25 seeds Timing: Direct sow after last frost. Zinnias dont transplant well, butcan be started indoors, if necessary, in peat or coir pots, 6-8 weeks before planting out. Maintain a soil temperature of 21-26C (70-80F). Seeds should germinate in 5-24 days. Starting: Just cover Zinnia seeds, and aim for a final spacing of 25-30cm (10-12) between plants.