A flower pot includes a main body having an external surface and a faux-rust effect layer formed on the external surface of the main body. The faux-rust effect layer includes 5.8 to 20 parts by weight of water, 0.21 to 4.7 parts by weight of additives, 0.1 to 1 parts by weight of dispersant, 0.05 to 0.5 parts by weight of lubricant, 0.2 to 2 parts by weight of ethylene glycol, 0.5 to 2 parts by weights of dodecyl alcohol ester, 8.2 to 25 parts by weight of emulsion agent, 40 to 60 parts by weight of ferrous metal ore powder, 0.1 to 0.9 parts by weight of thickener, 0.1 to 0.2 parts by weight of sterilizing agent, and 0.05 to 0.1 parts by weight of preservative.