African Double Yellow Marigold SeedsSpecifications: Plant height: 14 14. 5 inches Plant spread: 4 6 inches Bloom time: Spring, Summer, Fall Max reachable height: 2 to 3 feet Difficulty to grow: Easy Caring for African Marigold Germination from large, easily handled seeds is rapid, and blooms should appear within a few weeks of sowing. When you water marigolds, allow the soil to dry somewhat between watering, then water well, then repeat the process. The densely double flower heads of