September feels like the quiet beginning of fall. The heat of summer softens, evenings grow cooler, and hints of color creep into the trees. It’s not peak season yet, but the early glow of reds, ...

Most leaves are green due to the pigment chlorophyll, but other colours, such as oranges, reds and blues, may also be present due to less efficient photosynthetic pigments like anthocyanins, carotenes ...