Then it is best to choose a place with abundant sunshine, fertile soil, deep soil layer, high soil organic matter content, convenient irrigation and drainage conditions and neutral soil PH value for planting. Before planting, decomposed organic fertilizer 15 kg can be applied per square meter, and it can be turned over about 30 cm after spreading. Variety selection: It is suggested to choose Luffa varieties suitable for local cultivation and with strong disease resistance, such as Jiangshu 1, Zaoza 1 and Chunsi 1, which are all good Luffa varieties. Luffa can be planted all year round, from February to April in spring, from June to July in summer, from August to September in autumn, and from winter to 165438+ 10. Soak loofah seeds before sowing to accelerate germination. You can soak the seeds in 50-degree warm water for 15 minutes, then soak them in 30-degree clean water for 10 hour, and then take out the seeds to accelerate germination. Loofah seeds can be sown when they have buds, and generally they can emerge 3-5 days after sowing.