95 days, determinate — The plants grow eighteen to twenty inches in height and have purple flowers. The medium-sized beans are green with black eyes and contain about 16% oil and 52% protein.
Our stock originated as USDA accession number PI 548414 which was developed at the USDA's farm in Arlington, Virginia who released it as 'Sioux'. It was originally collected in Hokkaido, Japan in May of 1929 and entered into the seed bank as "Aoshiro edamame," accession number PI 81021. Each packet contains 25 to 30 seeds.
Sow seeds about one inch deep, three to four inches apart. Although you can plant in rows, they can be planted densely and allowed to form a canopy. This will help control weed growth. Soybeans are tolerant of drought and poor soil since they fix nitrogen. They will, however, benefit from fertile soil.
Soybean flowers are perfect (self-fertile) and cross pollination is almost non-existent, making saving seed easy. Allow pods to fully develop and dry on the plants.
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