An experiment was conducted at the State Horticulture Farm Kanyakumari in eighteen regular off-season bearing varieties where flowering is observed during August, September, October, November months with the fruiting period during December-January were selected for this study. The off-season bearing varieties are Neelum, Kalepad, Bangalora, Banganapalli, Himayuddin, Nadan, Panchavarnam, Rumani, Dilpasand, Kalkachi, Jehangir, Pairi, Panikanadan, Khudadad, Athimathuram, Mulgoa, Alphonso and Surangudi. The off-season flowering is a peculiar phenomenon in Tamilnadu because continuous flowering, fruiting and vegetative production can be seen simultaneously in Kanyakumari. | Environmental influence under off-season production on yield and quality attributes of mango