Spinach (Spinacia oleracea) is a leafy green flowering plant native to central and western Asia. Turkana Organic American Spinach Seeds Vegetable Seeds Slow Bolt Baby Greens Seeds. Its leaves are a common edible vegetable consumed either fresh, or after storage using preservation techniques by canning, freezing, or dehydration. It may be eaten cooked or raw, Avoid covering the seeds with soil. Keep the seeds moist. Growing in moist and fertile soil, Days of Maturity: 24 Days Planting time: All Season Planting Space: 7 x 7 '' Plant Row: 3 x 5 '' Spinach regenerates its leaves from their growing point, which is the crown of the plant where the stems join root system very near to the soil’s surface. Spinach is one of the fastest growing vegetable crops, reaching full maturity in 35 to 55 days after germination of the seeds. Spinach Germination Time. When planted in the right soil, spinach seeds germinate very quickly. It only takes about 5-10 days for the seedlings to start emerging