Cultivation: 1- Put seeds into 40° C water for 24 hours. 2- Put seeds into very wet sands for germination. ( Generally it take more than 40 days. ) 3- Move it into soil after it sprouts. Germination temperature: 20-25℃ Germination time: 40 days Growth optimum temperature: 10-25 ℃ Spacing: 20 * 20cm All plants need sunlight. Lemon like sunshine too.