Cultivation Guide for Kidney Bean Series 1, Requirement of Natural Circumstance and Condition 1.1, Temperature The beans belong to the crops which are fond of high temperature. The seed sprouts faster in 25-35 degree celsius, and slowly when the temperature is bellow 20 degree celsius with low sprouting rate. The suitable temperature is 20-30 degree celsius for seedling stage, and belowing 15 degree will prolongs the stage. In vine growing period, the plant will grows well under 20-25 degree celsius. For blossom and fruiting period, the suitable temperature is 25-30 degree celsius, and the plant will develops normally in 35 degree, but above this temperature, the dropping of flower will increases and the bean quality will be lower. 1.2, Illumination Beans can be devided into two kinds according to the reaction to illumination. One does not strictly require on length of illumination, which can grow normally under long day and short day. Most of the varieties belong to this ki...