Does the color of light used on plants affect how well they grow?


Quick Answer

The color of light has a direct impact on plant growth, especially light of red and blue wavelengths, according to Colorado State University. Exposure to blue light encourages leaf growth, and a combination of red and blue light stimulates the plant's flower development.

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Full Answer

Red and blue light promote photosynthesis more than green and yellow light, but light intensity and duration also impact plant growth. Typical indoor conditions provide far less light than outdoor conditions. Indoor lighting is best suited to houseplants with low light requirements. The light requirements and tolerances of outdoor plants range from full sun to closed shade.

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