Start Seedlings Under Cool Full-Spectrum Lamps

A good technique for most in-home growers is to start seedlings, cuttings, and young transplants using cool full-spectrum LED or cool full-spectrum high-output (HO T5) fluorescent lamps. If you’re growing fruiting crops, you can switch plants or lamps to a warmer spectrum (more red light) once you’ve bumped them up to larger pots to trigger stem elongation and flowering.

This grow tent has two separate lighting sections; one with cool-blue light for vegetative plants, the other with warmer red light for flowering.

Gardening Under Lights Book