The fourth edition of Covai Flower Show began at Botanic gardens in Tamil Nadu Agricultural University (TNAU) in Coimbatore on Saturday. The main objective of this three day flower show is to educate the children and public through entertainment to love the nature and to conserve the environment. Dutch Decoration Gallery, Flower rangoli, Dry flowers, Bonsai, Conceptual flower designs and Vegetable carvingare are some of the highlights of the show which is expected to attract thousands of flower lovers. Exhibition stalls and flower show competitions are also being organised as part of the show.