Timing might be the most important factor to successful tree fertilizer applications. Even if you use quality products you can injure a tree by providing the wrong fertilizer at the wrong time of year. I like to describe tree fertilizing by comparing to grass fertilization practices. You can fertilize grass virtually any time of the year with a variety of products and get the same results: greener grass and faster growth. This is because grass is in a constant state of growth (evident by weekly mowing needs). Trees are not in a constant state of growth, so you can’t apply a product at any time. Instead, trees go through a series of growth stages throughout the year.
Continue reading Tree Fertilizer, Part 2: When to Fertilize Trees