The trick is, figuring out which is which. Is early fall leaf color caused by leaf disease? Plants spend all spring and summer fending off constant attacks by a horde of insects and disease pathogens.

Understanding the chemistry behind leaf color change can deepen your appreciation for this seasonal spectacle. Carotenoids are always present in the leaves, but their colors are usually hidden by ...

This food-making process takes place in the leaf in numerous cells containing chlorophyll, which gives the leaf its green color. This extraordinary chemical absorbs from sunlight the energy that is ...

The leaf color can be white, green or pink with margins and veins of bright red and pink. Some have hot pink stars, freckles and spots of color. They add striking pops of color to shady ...

Performed by Dr. Xunzhong Zhang of Virginia Tech, the trials on poinsettias show beneficial changes to plant health, color, ...

Gardner said, by mid-to-late October, the fall leaf color should work its way down those mountain areas and into areas of lower elevation. ExploreFall, a website previously featured on WRAL ...