Many of the products that you find at your favorite garden center provide trees.
May 19, If you do fertilize, fertilize in the fall, between late October and early December, or in late winter or early spring, between late February and early April. Never fertilize in late summer or early fall because the available nutrients will stimulate new growth at a time when trees and shrubs are preparing for dormancy.
Avoid fertilizing with high nitrogen sources during late summer late August to mid-September, because it may cause certain plants to put out a new flush of leaves that could be susceptible to early frost damage.
Sep 10, Scatter or drop pellet fertilizer under the tree's drip zone but avoid touching the tree trunk with the material.
Do not over-fertilize. An application of between and pounds of nitrogen per sq. ft. will be adequate. Again, read the shrubpruning.barted Reading Time: 5 mins. Jan 15, Fall fertilization (mid-September through mid-October) can be beneficial, however, providing plants with nutrients that are stored in roots and stems, ready to use for the next spring’s growth.
Do not fertilize plants showing symptoms of drought stress. Do not fertilize a tree or shrub during a drought unless plants are irrigated regularly. Plants cannot use the fertilizer without.