A kind of plant growing box,Include one there is plural first plug division bottom plate,Plural extension bar,And plural side plate,Respectively the extension bar have a pole face,One upper surface,One lower end surface,One sets second plug division of the what lower end surface,And plural what pole face is in the assembling groove of open shape,Respectively the assembling groove has the open end of a what lower end surface,And one the opposite what open end closed end,Second plug division system of the grade extension bars connects the first plug division for setting the what bottom plate respectively,Respectively the side plate has a plate body,And raised line is assembled from the two of the two lateral margin protrusion of plate body respectively,The assembling raised line system of the grade side plates is embedded the assembling groove of the what grade extension bars respectively； Thereby,The plant growing box system that this creation provides relatively practises user's component less and is easier to assemble.一種植物種植箱，包含有一具有複數第一插接部之底板、複數接桿，以及複數側板，各該接桿具有一桿面、一上端面、一下端面、一設於該下端面之第二插接部，以及複數於該桿面呈開放狀之組裝溝槽，各該組裝溝槽具有一位於該下端面之開放端，以及一相對於該開放端之封閉端，該等接桿之第二插接部係分別接設於該底板之第一插接部，各該側板具有一板體，以及分別自該板體二側緣凸出之二組裝凸條，該等側板之組裝凸條係分別嵌設於該等接桿之組裝溝槽；藉此，本創作所提供之植物種植箱係較習用者構件更少且更容易組裝。
