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Different Indoor Greenhouse Lighting

When constructing an indoor greenhouse, the lighting choice is among the crucial decisions you have to make for healthy plants. Remember also that not all plants are the same when it comes to their lighting need and the length of exposure; consult a gardener or read seed bag information guide to know your plants’ optimum light requirement. Moreover, some indoor greenhouse lighting choices are more economical than the others, so you have to factor this in your choice also. The most common types of indoor greenhouse lamps are incandescent, metal halide, high-pressure sodium, and fluorescent lamps; you can use one or two of these lamps in one greenhouse.

For photosynthesis purposes, incandescent lamps are an inferior choice to use in your indoor greenhouse.  However, they are the best choice when it comes to highlighting your plant inside your house for added aesthetic effect.  And not only are incandescent lamps a poor sunlight substitute, their high energy consumption is also detrimental to the environment as well as a burden to your budget.

The next choice for indoor greenhouse lamps is metal halides, which are a good option for lighting plants.  In the Color Rendering Index, which has an ascending score from 1 to 100, metal halides is between 65 to 75 – horticultural-grade metal halides even reach about 80.  These types of lamp can substitute the natural white sunlight for photosynthesis vital for plants’ survival.  For plant reproductive purposes also, there are horticultural metal halide lamps that emit red light for this purpose.

High-pressure sodium lamps are also good for flowering and fruiting processes of plants in an indoor greenhouse because of its orange and red spectrum light emission.  However, if you use high-pressure sodium lamps solely in your indoor greenhouse, your plants would appear less healthy due to poor white light exposure.  Nevertheless, horticultural high-pressure sodium lamps can support plant life in an indoor greenhouse.

Fluorescent lamps stand among the rest of the indoor greenhouse lighting choices when it comes to practicality and the total effects to the plant’s health.  Fluorescent lamps produce white light that can be a perfect sunlight substitute to sprout seedlings and maintain the photosynthesis action of adult plants.  Greenhouse fluorescent lamps do not just produce white light, but they produce the entire spectrum so that they can induce reproductive processes in plants also.  Not only that, fluorescent lamps are also the most economical to operate as indoor greenhouse lamps – the choice should be clear.