The Bonnie Plants 19.3 oz. Potted Japanese Cucumber Vegetable Plant is a favorite in Japan for its long, slender, dark green, mild fruit with few seeds. If you don't eat it all at once, wrap the unused portion tightly in plastic wrap to prevent dehydration in the refrigerator. To save space, give the vigorous plants a fence to climb. Maturity: 60 days after planting. Add this cucumber plant to your vegetable garden so you can bring fresh, delicious flavor to your table.