Plant grow light bulbs are a farmer's best friend as they are designed to contain properties that maximize the output of areas within the light spectrum that are most effective for plant growth. These bulbs, like many others, come in a variety of sizes, finishes, and wattages.

Manner of Operation

Plant grow light bulbs do what they do by using phosphors as well as filtering agents within the glass enclosure to increase the output of areas in the light spectrum that are effective at fostering plant growth. Plant grow light bulbs can either be fluorescent, incandescent, LED, or HID. There are also specific breakdowns within these bulb types that are solely designed to provide the light needed for specific plants or within specific stagea of plant growth.

For example, spot grow bulbs are designed to increase the level of light for individual tropical plants, herb gardens and even seed starters. Fluorescent plant growers, especially tube bulbs, are very bright and are great for intensive propagation, growing bedding plants, and for all other plants that are less than 36 inches tall. In addition, fluorescent plant grow bulbs are great space savers for people who have limited space but want to grow plants anyway. Generally, these bulbs emulate daylight so that it can benefit plants that are grown indoors.


Plant grow lamps, as you may have figured out by now, are ideal for indoor areas that are used to grow certain plants. They are a potent substitute for natural sunlight. In addition, these bulbs are also used in areas to usurp the sun's natural cycle by providing sunlight even during the night, thus effectively manipulating plant growth. You can commonly see these bulbs in greenhouses, as they are useful to people who want to grow their plants faster than usual.

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