The most beneficial time to apply fertilizer to maples is in the spring until just before trees start growing again in early May. Trees planted in sandy soils should receive the fertilizer split into two applications, half in early spring and half in mid-May.
About this Author
Living in Southern California, Shayne Ochoa has been writing professionally since 2005. Her articles have included topics on education, child development and gardening. She also holds a Bachelor of Arts degree in liberal studies from California Baptist University in Riverside.