What is a growlight?

Answer 1

A Growlight is a special type of light bulb that is used in horticulture. it tries to mimic the light spectrum produced by the sun - as normal light bulbs (incandescent and fluorescent) do not provide the correct spectrum of light required for healthy plant growth

Answer 2

A grow light is a type of artificial light source designed to stimulate plant growth by emitting electromagnetic radiation suitable for photosynthesis. These lights are commonly used to supplement natural sunlight in indoor gardening or hydroponics systems to promote plant growth and flowering. Different types of grow lights, such as fluorescent, LED, and high-intensity discharge (HID) lights, offer different spectrums of light that cater to the specific needs of plants at different stages of their growth cycle.