Caution: I keep my seeds stock current. There is no guarantee on the seed germination because seed germination doesn't depend on seeds quality only. they require user experience, perfect temperature, proper watering. so i am selling my seeds as is with no guarantee. Ridged Sponge Gourd Chinese Okra Angled Luffa Gourd Sigua. 10 seeds. USA. Requires a long, warm growing season. Prepare fertile, well drained soil. Sow seeds in spring/early summer after last frost in a warm, sunny location. The seed coat is hard and should be soaked in warm water for 24 hours or gently clip the seed tip to help the seed germinate. Hill planting: Form soil into a 1-ft. diameter mound 3-4' tall. Space mounds 4-6' apart. On each mound plant 1-2 seeds. Row planting: See spacing info in chart. Keep soil moist. Fertilize as needed. Hand pollination may be necessary. Train to climb a vertical support for better air circulation, straighter fruit and ease of harvest. Chinese okra is prepared like squash or okra. Use young tender gourds in sautes, stews and stir-fries.