Zinnia Flower Diagram. Full sun Bloom Time. If your wish is to grow 4-foot tall garden zinnias Zinnia elegans you should aim for as much sun as possible -- and as much light as possible during the rest of a long summer day.
Detailed photo tutorials for the elements and flower assembly. While it is possible to grow zinnias in less than six hours of full sun each day zinnias in even light shade might produce fewer flowers on smaller plants. Spring to frost Color.
Spring to frost Color.
The ovary is the female organ were the fertilization happens. The ovary is the female organ were the fertilization happens. One of the easy to grow annual flower Zinnias bloom from mid-summer all the way until frost. 3 to 4 feet tall 2 to 3 feet wide Exposure.