Cauliflower Seeds F-1 Hybrid Agri 2Overview 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 23C which at later growing stage drops to 17 20C. The tropical cultivars grow even at 35C, however, temperate cultivars grow well between