
Edible plants that are grown purely for their leaves-such as salad greens and herbs-can be grown under bulbs that primarily emit blue light, as this encourages chlorophyll production and foliar growth. Figure out what sort of plants you wish to grow.This will enable you to calculate how many bulbs you’ll need. Decide how many plants you want to illuminate and how much area they will occupy under the light(s).Although LEDs have traditionally been more expensive than fluorescent bulbs, the lifetime of an LED bulb is far longer and their up-front cost has begun to drop in recent years. They use significantly less power to produce more light than traditional CFLs, and they produce very little heat. Light-Emitting Diode ( LED) lights: For efficiently growing large numbers of plants, LEDs provide the best results.

Despite this, they are widely used in plant nurseries and large-scale grow houses because of their raw power. However, HIDs are expensive, use electricity inefficiently, and give off quite a bit of heat.

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