The primary sign of cedar-apple rust is the orange or reddish spots it causes to appear on the leaves of the trees it infects. Caring for an apple tree with cedar-apple rust is important for ensuring ...

If you're noticing rusty orange spots on the leaves ... usually affects both the lush leaves and the burgeoning fruits of ...

Brown spots on young apple tree leaves are an indication that pests or diseases are damaging your trees, and they must be treated. Apple trees grow in a wide range of conditions and will tolerate many ...

If you have spotted a maple tree ... orange, and red — black patches across the upper surface of the leaves. If this threw you for a loop, well, fret not. Those patches are called maple tar ...