In order to encourage healthy root growth, mulch can be extended beyond the tree branches. . Do not plant grass under the tree. Grass roots compete with the tree roots for nutrients and water. Flowers, however, may be planted under a tree because their roots are generally less aggressive. . Do not fertilize at planting time.
Water is the critical factor for tree survival after planting.
Water deeply on a regular basis throughout the first growing season. Allow water to run slowly, soaking the soil, once or twice a week. Do not over water. . Keep grass and weeds out of the mulched area, since they compete with the tree for water and nutrients. . To protect the tree trunk, keep lawn mowers and weed whips away from the base of the tree.