Planting device for geocarpic plants

The utility model provides a planting device for geocarpic plants. The device at least comprises a planting box with an opening at the upper portion, one re more fetching holes are formed in the side walls of the planting box, each fetching hole is covered with a hole curtain, two or more water level observation holes are formed in the lower portion of the side wall, all the water level observation holes are communicated through a transparent soft tube, the planting box is filled with a planting substrate layer and an expanded clay layer, and the planting substrate layer is located on the expanded clay layer. According to the planting device, the fetching holes are formed in the side walls of the planting box, the ripe fruits or tubers can be taken out through the fetching holes, wherein the appearances of the tubers reach the edible requirements, and the unripe fruits or tubers which are small in size continue to grow in the planting substrate until reaching the edible requirements; the planting device is simple in structure, the plants are good in growing state and high in fruit quality, during the whole growth cycles of the plants, the fruits or tubers which grow underground of the plants can be taken at any time as required, and the waste of edible parts of the plants is reduced.