Today I Learned (TIL)

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TIL that lettuce can grow with artificial sunlight (specifically red/blue LED lights) (nowiknow.com)

submitted 7 months ago* (last edited 7 months ago) by Potatos_are_not_friends to c/[email protected]

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As Cary Mitchell, a horticulturist at Purdue University told NPR, in the 1990s, “research showed that you could grow lettuce in just red light. If you add a little bit of blue, it grows better.”

If you’re interested in why, a redditor named SuperAngryGuy wrote up a detailed, well-sourced analysis about three years ago, here

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[–] [email protected] 11 points 7 months ago* (last edited 7 months ago)

OP, this will blow your mind!

10,000 heads of lettuce a day - indoors! Pretty damn cool.