Full Spectrum
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Will a full spectrum desk lamp work as a plant light?
I have a desk lamp that uses a full spectrum bulb. I was wondering if this lamp could double as a plant light. I have a basil plant in my room but it does not get much sun from the window. The gardening stores sell different types of fluorescent lamps including full spectrum. Is there any difference in the full spectrum desk lamp and the specialized plant light?
The full spectrum light will work, but won't be as efficient as a plant light. Plant lights are biased toward the red end of the spectrum, which is what plants absorb most. Older types of fluorescent lights are very weak in the red part of the spectrum, and don't do much for plants.
I've grown plants using window light with 100 watt (300 watt equivalent) 5500K compact fluorescent bulbs, and they grew like it was full sunlight. The most important thing is to bring the light close to the plant without burning it.
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