Seeds germinate in 10 - 20 Days Space seeds 8 - 12 inches apart Plants reach a height of 30-36 inches Blooms all Summer long Rocket Hybrid Snapdragon is a tall variety of this beloved annual that adds vertical color to the garden and containers. It has strong stalks that hold big flowers packed closely together. Hummingbirds will love visiting your garden and sipping the nectar from the flowers. The Snapdragon Rocket Hybrid Mix is also excellent for cut flowers. Plant in full sun and in moist, well-drained, loamy soil. While snapdragons generally perform best in cooler weather, this mix is more heat tolerant. Matures in 100-110 DAYS from sowing the seeds to flowers.