SYLVANIA LED Grow Lamps successfully grow and nurture quality plants such as herbs, vegetables, flowers, and fruits indoors all year long with little to no sunlight needed. These LED plant bulbs stimulate your plants to flourish during all stages of growth (germination, growth, reproduction, pollination, and seed spreading) and are ideal for the 6-12" seedling stage for up to 18 hours a day and vegetative/flowering stage 18-30” for up to 12 hours a day. Our Grow LEDs offer a lifespan of 15,000 hours. Innovated for growth success, SYLVANIA LEDs are designed to provide a wide light spectrum to encourage healthy, optimal plant growth with a high CRI. They produce low heat emissions which allow for placement close to plants with no leaf burn for strong and healthy plants. See the clear difference SYLVANIA Grow Light bulbs make – backed by our 3-year satisfaction guarantee.