A folding plant protection cage apparatus for protecting plants from animals includes a set of three hinged side pairs each including a pair of panels comprising a left panel and a right panel each comprising a panel frame and a panel face extending from a top edge to a bottom edge and from an outer edge to an inner edge. A door frame is coupled to the panel face. An access door is hingingly coupled to the door frame. A plurality of inner hinges joins the inner edge of each of the left panel and the right panel. A plurality of outer hinge knuckles couples the outer edge of the panel frame of adjacent side pairs. A lid is hexagonal and selectively engageable with the top edge of each panel frame of set of hinged side pairs.