Dig the hole twice the width of the root ball (container) and a little deeper – about half as deep as the root ball. If the soil is very poor, dig twice as deep.
Using the soil that was dug, mix in compost 50/50.
Refill hole to the point that when the tree is placed in the hole, the top of the root ball will be slightly higher than the surrounding ground (about 3-4 inches higher), then foot tamp the soil.
If your plant is in a container, remove the tree from the container. With your fingers, stimulate the roots …