Modular plant basin

The utility model relates to a horticulture utensil field, concretely relates to is including planting basin and the retaining basin of suit in planting pelvic floor portion, it is equipped with a plurality of ventilative infiltration holes to plant pelvic floor portion, it still is equipped with several water absorption column device to plant pelvic floor portion, soil is equipped with in the planting basin, retaining basin storage water and inorganic fertilizer, planting basin lower part is equipped with the annular and supports the groove, the opening top of retaining basin is located and is supported on the groove, the retaining basin including bucket formula inner bag and in locating barrel formula inner bag the annular water tank of lower part, bucket formula liner cover locates andsupports the groove, bucket formula inner bag lower part is equipped with the through -hole, bucket formula inner bag upper portion symmetry is equipped with the air vent, the air vent is located theannular water tank top, ow