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LIGHT: African violets are grown indoors. They like bright, but filtered, sunlight. Do not place in direct sun. They can also be grown under florescent lights. The lights are usually suspended 12 to 18 inches above the violet for 8 to 14 hours a day.
Relevance. Rating Newest Oldest. Best Answer: As some_blk said, red light has the least energy of any visible (to humans) color, and violet has the most energy. The amount of energy carried by light is directly proportional to its frequency; the higher the frequency, the more energetic the light is.olour doesn't affect the energy of any lifeform in particular, but of the different visible colours of light, red has the least energy and violet has the most. some_blk Â· 8 years ago. Thumbs up. 3.