Rainwater flower box for sponge city

The utility model discloses a rainwater flower box for sponge cities, which relates to the technical field of rainwater treatment and comprises a flower box body for planting flowers, rainwater collecting plates are movably mounted on the left side and the right side of the flower box body, and the side surfaces of the rainwater collecting plates are movably connected with the side surfaces of the flower box body through electric telescopic rods. A circle of water spraying pipes are fixedly installed at the top of an inner cavity of the flower box body, a middle partition plate is fixedly installed in the flower box body, and the interior of the flower box body is divided into a water storage area and a planting area through the middle partition plate; by arranging the rain collecting plate capable of being opened and closed, rainwater can be collected by opening the rain collecting plate in rainy days, the rainwater flows into the water storage area after being filtered for use, and fallen leaves, dust and t