“Shedding leaves and growing new ones depends not only on temperature but also on how long the days are…And how do trees register that the warmer days are because of spring and not late summer?”
“Trees need sense of time for more than just their foliage. This sense is equally important for procreation.”
-Peter Wohlleben, The Hidden Life of Trees
note: the quotations are from the book The Hidden Life of Trees which I just finished reading. Enjoyable to read with humor and plenty of science.