Flower seed will not germinate in soil where Preen is in use. Gardeners will have to wait at least three months before seeding. Certain vegetable seeds such as broccoli, okra, greens and beans are safe for sowing in the soil after an application of the product. Always read the label (Resources) before sowing seeds after a Preen application.
About this Author
Joyce Starr is a freelance writer from Florida and owns a landscaping company and garden center. She has published articles about camping in Florida, lawncare, gardening and writes for a local gardening newsletter. She shares her love and knowledge of the outdoors and nature through her writing.