To provide a hardly broken lightweight flowerpot having temperature- keeping effect, and further to provide a flowerpot cover.

This flowerpot has a bottom wall 2, periphery walls 3 extended upward from the circumferential edge of the bottom wall 2, and a draining hole 21 bored in the bottom wall 2. The bottom wall 2 and the periphery walls 3 are formed out of a flexible heat-insulation sheet 1 obtained by laminating a cushion sheet 7 and a decoration sheet 14 so that the decoration sheet 14 may face to the outside. The flowerpot is formed into a double-layered structure by folding the upper part of the periphery walls 3 inward.