For best results the light should be just a few inches from the top of the plants. Fluorescent lights are cool enough for this, but incandescent bulbs — especially heat lamps — are far too hot and will damage the plants if placed that close.
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LED bulbs are ideal because they give off very little heat.. The best solution is to grow your seedlings under specially designed LED or fluorescent grow lights. Growing plants under lights lets you control light intensity in two ways: the .
As a rough guide, incandescent grow light bulbs should be at least 24 inches over your plants. Fluorescents and LEDs have a lower heat signature, so they can be placed 12 and 6 inches over plants respectively.
In fact, low-light foliage plants (such as pothos and peace lily) can grow quite nicely in windowless offices with enough artificial light.. LED lights are also a low heat, energy-efficient artificial light source.. How to Top-Dress Houseplants.
Fluorescent lights are ideal for plants with low to medium light requirements, like African violets. They are also good for starting vegetables indoors. These lights typically come in long, tubelike bulbs in a range of sizes including T5, T8 and T12.
Our handy guide makes it easy to select the best artificial light for growing plants. Don't forget that lights put off heatâ€¦ your plants may require ventilation, .
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