- You will get 15 Seeds of Yard Long Bean Vegetable Seeds. - A very long bean stalk from Asia. - Yard Long Bean produces high yields of flavorful very long stringless white beans. - This variety is a favorite because of it's sweet and tender taste. - Pods are light green color and grow up to 24-26" long. Early maturity,. tolerant of heat and diseases. - They are well suited to salads and stir-fries and are a popular vegetable in Asian dining. - These grow best in a hot humid climate, and take about 80 days untill harvest. - Sowing. - Direct sow yard long beans after all danger of frost is past and the soil is at least 60 degrees Fahrenheit. Sow yard long bean seeds about 1 inch deep, spaced about 3 inches apart. Rows should be spaced about 24 inches apart. Thin out the plants to a 6-inch spacing as the seedlings emerge. In warm zones, you can succession plant two or three times at two-week intervals, and also plant a late summer or fall crop. - Planting. - Because beans are legumes, they can benefit from applying a soil inoculant before planting. Coating the seeds with inoculant will help the plants to take nitrogen from the air to use as fertilizer. - Yardlong beans have long vines, often growing 8 to 12 feet tall. Except for dwarf, bush varieties, you will need to give them a tall support or grow them along a fence. Put your trellis or other support in the ground at planting time. If you can reach to harvest it, a teepee of 7 feet is a good size for the beans to scramble on. Don't make the poles any larger than 2 inches in circumference, so the vines can take hold. - Harvesting. - It can take two to three months for yard long beans to start flowering from seed, and the beans follow in about two weeks. Once the beans form, it does not take long for them to start growing longer and longer. The beans lose their dense, crispness as the seeds inside fill out, so harvest them while they are still firm, usually between 8 and 12 inches long and thinner than a pencil.