60-70 Days to maturity. Zinnia angustifolia. Star Series Zinnia Seeds. Non-GMO, annual, open-pollinated zinnia seeds. Suitable for growing in containers, borders, garden beds, raised beds, and greenhouses. Star Series delivers compact, mounded plants covered in single blooms for reliable yellow, orange, or white summer color and pollinator appeal. Heat, humidity, and drought-tolerant once established. Ideal for edging, mass plantings, and baskets.