Ridgegourd (Luffa acutangula), or turiya is another easy gourd to grow and is a versatile vegetable that adds a new dimension to vegetarian cuisine. Rishi is a long, slender, variety shiny green with prominent ridges. The fruit is 15-17" long and even in width. Also known as Chinese okra. Approx 10-15 sds/pkg. Ridge gourds have a long growing season of 100 to 180 frost-free days until harvest. If you live in an area with short growing season, you can start seeds indoors four weeks prior to transplanting outdoors.