Zinnia flowers are a colorful and long-lasting addition to the flower garden. Zinnias are one of the easiest plants to grow, as they grow quickly and bloom heavily. They make a massive burst of color in your garden. Zinnia is a genus of plants of the sunflower tribe within the daisy family. Given here is an outline picture of the Zinnia daisy flower for your kids drawing and coloring activity. Download and make use of the outline image for free.