Total yields may be higher in the tropics but Alaska gets 20 hours of summer sun and can grow freakishly huge vegetables. https://www.npr.org/sections/thesalt/

Total yields may be higher in the tropics but Alaska gets 20 hours of summer sun and can grow freakishly huge vegetables. https://www.npr.org/sections/thesalt/2014/08/20/341884706/why-vegetables-get-freakish-in-the-land-of-the-midnight-sun https://www.npr.org/sections/thesalt/2014/08/20/341884706/wh...