Label the container with the name of the onion variety. I love the flowers and buds of chives too more than I like the green leaves and the whole thing dries nicely when cut to size. Sowing Seed Indoors. Extra-hardy varieties will normally survive the winter if the soil is well drained. Keep the soil lightly moist until the seeds germinate, which generally takes seven to 10 days. Sprinkle seeds in the furrows and cover them lightly with more soil mix. Onions take a while to develop from seed. Germination rates fall as the seeds age, and though I have had three-year-old onion seeds that sprouted well, germination is always highest with fresh seeds. Growing onions from seed opens up a world of diversity in shapes, sizes, flavors, and colors to grow. Park Seed is the source for seeds of this All-America Selection. Quickly matures and holds well; suitable as scallions or small bulb in spring or fall. While other types of onions can be marketed in bunches, true bunching onions are cultivars of a specific species, generally Allium fistulosum, though there are exceptions. I just bought seed {Heshiko-bunching onion by name} and have never grown them. Sowing inside in January or February under growing lights then transplanting to the garden in early spring is the only way that I can grow onions from seed and have them mature in my zone 5 garden. Bunching onions are very hardy, and many varieties are well-suited to winter harvest or overwintering. Work organic matter into your soil at least 6-8 inches deep, removing stones, then level and smooth. Award-winning bunching (green) onion with a pungent flavor and compact habit, suitable for containers or the garden. Harvesting: Bunching onions can be harvested any time after 60 days; the longer they remain in the ground, the stronger the taste will be. Green onion seeds are slow to bolt and resistant to PR, thrips and smut. Sow onion seeds in average soil in full sun after danger of frost in spring. Keep the container in a warm place. Bunching onions prefer a soil with a pH of 6.2–6.8. In frost free areas, sow in fall. Growers in warmer regions can grow these as well, and are more likely to have success with large sweet onions traditionally grown in winter, like Ailsa Craig and Walla Walla . Planting Bunching Onions. For each leaf, there will be a ring of onion. Onion seed may be started indoors in small flats in seed starting mix 6-10 weeks before the last frost. Plant the seedlings in your garden after about a month, when all danger of frost has passed. Sowing Directly in the Garden . Onions prefer a pH of 6.0 – 7.0. The size of the onion bulb is dependent upon the number and size of the green leaves or tops at the time of bulbing. They will be best served by intermediate or day neutral onions such as Valencia or Talon F1, Bandit Leeks and bunching onions like Red Baron and Evergreen Hardy White. Selecting Onion Plant Varieties. Onions grown from seed almost always perform better than those grown from sets. Growing onions from seed opens up a wide diversity of shapes, flavors, sizes, and colors to grow. Keep moist and maintain a temperature of about 60-65 degrees F. Seedlings emerge in 7-14 days. SCIENTIFIC NAME: Allium fistulosum CULTURE: Seed can be sown in early spring for summer use, and in July or August for fall and spring use. Sow thinly and cover with ¼ inch of seed starting formula. Starting from seed typically rewards you with bigger and better quality onions, with larger harvests being a bonus from the abundance of seed in a packet. Onion seeds can be kept for two years in a cool, dry place such as a properly monitored seed storage box, but fresh first-year onion seeds germinate best. Now, a final question. Evergreen White Bunching onions tolerate cold and light frost, since they are the most cold hardy bunching onion available. 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