Our bodies produce vitamin D after the skin is exposed to sunshine. But ideally your baby won't be sunbathing at all in the first six months, so he won't get enough vitamin D from the sun â even if you live in a relatively sunny place, such as Florida.
Or they should, anyway. While leaves will always change color as the amount of sunlight wanes, several weather conditions can affect how brilliant they become. High heat or drought can rob leaves of their brilliance, or make leaves drop early. Insufficient rain in September can also hurt peak color.
How does autumn color happen? Three factors influence autumn leaf color-leaf pigments, length of night and weather, but not quite in the way we think. The timing of color change and leaf fall are primarily regulated by the calendar, that is, the increasing length of night. As days grow shorter, and nights grow longer and cooler, biochemical processes in the leaf begin to paint the landscape with Nature's autumn palette.