What everyone should know about indoor gardening with expanded ...
In terms of correlated color temperature, MH grow lights can range from 3,000 K to 20,000 K. 3,000 is in the yellow range of the spectrum, while 20,000 is in the blue range. Metal halide grow lights. This matters to the indoor gardener, because baby plants need light in the blue spectrum in order to grow well. Light produced by a grow lamp can fall at different spots on the electromagnetic spectrum. ) In terms of comparison, daylight registers in at 6,500 K, whereas a television screen is at 9,300 K and moonlight is at 4,100 K. If you are an indoor gardener, you are trying to recreate daylight in order for your plants to thrive, so you will... Some lights lean more toward the blue end of spectrum, while others land on the orange and red end. If you want a mature plant to produce Fruit or flowers, you will need red and orange spectrum.