Grow Lamps: 5 Fast Facts

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Fact #1. Grow lamps are used to imitate the sun. Plants need sunlight to live. So if you bring them indoors, it's important to find a good substitute for this vital resource. Grow lamps provide a light spectrum that is specifically tailored to the need of plants. This allows photosynthesis to occur, which stimulates growth and keeps your garden thriving.
Fact #2. Indoor gardening can provide you with fresh vegetables all year long. If you live in an area with harsh winters, outdoor gardening is strictly a seasonal pastime. But if you move your plants inside, you gain a lot of control over their environment. You can keep create the temperature and light conditions they need to thrive and bloom no matter what the weather is like.
Fact #3. Grow lamps come in four different types. High-intensity discharge lights are capable of providing intense light that closely resembles the sun. Fluorescent grow lamps are good for propagation and early vegetative growth. Plasma and LED are the two newest types. They are extremely efficient and offer a full spectrum of light. Plasma is still prohibitively expensive for amateurs, but LED has already become quite popular.
Fact #4. Plants need different types of light at different stages of their growth. In the spring and summer, the sun is high overhead and plants get plenty of bright blue and white light. In late summer and fall, the sun hangs lower and gives off more red and orange. So cool colors are good in the early stages, when a plant needs to grow big, healthy leaves. Warm colors tell plants that winter is coming, and encourages them to bloom.
Fact #5. Artificial light has been used for growing plants since 1868. That's when a Russian botanist began experimenting with early grow lights. For decades, incandescent bulbs were used to grow plants indoors. The development of the fluorescent lamp in the 1930s made the process more efficient. And in the 1990s, the LED grow lamp emerged as another alternative.