Do led lights help plants grow?

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

Many makers of expensive LED grow lights (black dog, platinum and others) claim that plants can only use 40% of the light produced by white LEDs, and the fact that it takes 2.5 times the photon flux density to produce photo inhibition in plants with white LEDs than with natural sunlight would seem to support this claim. read more