A Green light is the least effective for plants because they are themselves green due to the pigment Chlorophyll. Different colored lights help plants achieve different goals. Blue light, for example, helps encourage vegetative leaf growth. Red light, when combined with blue, allows plants to flower.

A Can Any LED Be Used As A Grow Light? Not all LED lights are suitable for growing. Plants require a very high light intensity and grow best using a full-spectrum light, which is crucial to know when choosing your LED light. Plants evolved to use natural sunlight, which emits every color on the spectrum.

A Lights that provide a full spectrum are the ideal choice for your growing space. This is where LED lights come in handy. Most LED growing lights offer both types of color spectrum lighting, so you can get all the benefits. TIP: Violet-blue light promotes plant growth and red light promotes plant budding.