Do Colors Help Plants Grow? - Knowledgebase Question

Coopersburg, PA
Question by david2099_19
February 29, 2000
Do colors help plants grow such as putting red by a tomato plant?

Answer from NGA
February 29, 2000


A red plastic mulch has been shown to increase production by helping warm the soil and keep it moist and control competing weeds just as a black mulch would do, but it also reflects a light wavelength which enhances fruit development. The technology has been licensed as Selective Reflective Mulch (SRM) and you may see it being used in tomato and strawberry production, for example. I hope that answers your question.

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