A planting apparatus of nursery tree includes an auger, a guide member having a hollow tube shape, a blade member, sliders, and motors The auger, the guide member and the blade member form the nested structure of the three-layer which are centered upon the auger, and the auger and the blade member are rotation members rotating on the same vertical axis line. By such a constitution, desired planting hole can easily be excavated, and the ground around the excavated hole and a root clump of the nursery tree can be leveled, covered and pressed by the blade member without forming a gap while holding the nursery tree by the guide member not to be inclined.