I planted only one type of Zinnia elegans this year. It's a Burpee introduction called 'White Wedding.' The blooms are pristine and stay that way for a long time. I planted the seeds kind of late so that I'd be able to enjoy them through the fall. If you plant Zinnia elegans too early, in our area, they succumb to powdery mildew before the season is over. I may have to plant seeds for this annual from now on!