Horticultural LED grow-lights produce only the wavelengths most utilized by plants, so you may want to look for these bulbs rather than buying ones for general use. Halogen lights can also provide full-spectrum light, but like incandescents they put off a lot of heat and are less energy-efficient than fluorescents. read more
No. Regular household led lights do not have the full spectrum that plants need. You can get led lights for plants that have full spectrum at most places that carry lights. Wish is a very good site to get inexpensive led plant grow lights. You can use the regular led light for visual lighting for when you are in your plant room. read more
The most popular types of light bulbs to use as grow lights are incandescent or fluorescent bulbs, but you can also use LED lights, halogen lights and traditional horticultural grow lights, like high-pressure sodium bulbs (HPS) and metal-halide bulbs (MH). read more