Portable tray

The invention relates to a portable tray, which belongs to the field of municipal greening engineering and comprises a water storage tank with an opening in the top end and a placing tray covering the opening in the top end of the water storage tank. A drainage hole is formed in the side wall of the water storage tank, and a distance is reserved between the drainage hole and the inner bottom end of the water storage tank; a plurality of placing slots for placing flowers are formed in the tray surface of the placing tray, and the placing slots are communicated with the interior of the water storage tank through a communication structure; a water absorption and drainage piece is arranged between the interior of the water storage tank and the placement groove position, and water stored in the water storage tank is drained into the placement groove position through the water absorption and drainage piece. The flower planting device has the effect of ensuring the water demand of flowers placed on the square in the