We’re blessed to live in an area that offers some of the most beautiful fall foliage found anywhere in the world. And this fall proved to be one of the most remarkably enduring that I’ve ever experienced; the maples, birches, poplars, oaks, and beeches creating a landscape literally exploding in shades of gold, crimson, and orange, which lasted for several weeks.
As cold weather approaches, many species of trees shed their leaves as a strategy to reduce water loss and frost damage. Triggered by hormone change (the balance of auxin levels between leaves and branches), it’s all part of an important and complicated process known as abscission; in which trees seal off the point where the leaf petiole connects to the twig (the abscission layer). » Continue Reading.