Description: grows well on wide range of soils from sandy loam to clay. The optimum pH is between 6.0 and 7.0. Cauliflower is a thermo sensitive crop and temperature plays an important role influencing vegetative, curding and reproduction phases of plant. The optimum temperature of growth for young seedlings is around 23°C which at later growing stage drops to 17-20°C. The tropical cultivars grow even at 35°C, however, temperate cultivars grow well between 15°C to 20°C