Big, bold blooms are 20% larger than similar varieties—and butterflies love them. Zahara Improved Zinnias come in an array of flower colors, including cherry-red, orange and gold. Growing 12-18 in. tall, the zinnia plants create a beautiful display in borders, mass plantings, containers and cut-flower arrangements. Zahara Improved Zinnias are some of the best-performing zinnias in summer heat and drought. These easy-to-grow, popular annuals bloom throughout the summer. For best performance, plant in full sun.