This bulb should be planted in the Spring. Due to the seasonality of bulbs, items are not always in stock. Call for availability. Upright stems support a Dutch summer favorite that blooms all summer long. Easy to grow. Plant in moist fertile soil in full sun. Pinch excess buds and deadhead for more and larger blooms, water well during growing season, especially when grown in containers. Blooms summer to fall. 24-36 inches.