55 days โ One of the most popular okra varieties.ย Similar to the old 1939, "All-America Selectionยฎ" winner, 'Clemson Spineless' but slightly taller and more open in its growth habit. The plants are three to five feet developing deep-green, straight and spineless ribbed six to nine inch pods. 'Clemson Spineless 80' okra was bred by Clemson University in South Carolina and introduced in 1980. Each packet contains two grams, which is approximately 30 seeds.