A plantation window shutter comprises a frame and a plurality of shutter blades pivotably supported by the frame in a fan configuration. The frame comprises a front surface and a rear surface. The rear surface has a plurality of upper grooves and a plurality of lower grooves, each upper groove being axially aligned with a respective lower groove. Each of the shutter blades has a longitudinal pivotal axis and a top pivot and a bottom pivot aligned along the axis, the top pivot and the bottom pivot being received in respective upper groove and the lower groove for pivotal motion therein. At least one member is attached to the rear surface disposed to bridge over the upper grooves and the lower grooves, thereby to capture the top and bottom pivots within respective the upper grooves and the lower grooves.