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. 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. Now, a final question. Onions take a while to develop from seed. Keep the container in a warm place. Quickly matures and holds well; suitable as scallions or small bulb in spring or fall. Plant Welsh onion seeds indoors in March, using a regular commercial potting soil. You said they {bunching onions} can be used for anything that regular onions are used for. 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. Onions grown from seed almost always perform better than those grown from sets. 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. Bunching onions prefer a soil with a pH of 6.2–6.8. Park Seed is the source for seeds of this All-America Selection. Keep moist and maintain a temperature of about 60-65 degrees F. Seedlings emerge in 7-14 days. 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. Sow onion seeds in average soil in full sun after danger of frost in spring. Plant the seedlings in your garden after about a month, when all danger of frost has passed. For each leaf, there will be a ring of onion. 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. Sprinkle seeds in the furrows and cover them lightly with more soil mix. Sowing Seed Indoors. Sowing Directly in the Garden . Keep the soil lightly moist until the seeds germinate, which generally takes seven to 10 days. Onion seed may be started indoors in small flats in seed starting mix 6-10 weeks before the last frost. The larger the leaf, the larger the ring will be when the carbohydrates from the leaves are transferred to the rings of the bulb. Green onion seeds are slow to bolt and resistant to PR, thrips and smut. Evergreen White Bunching onions tolerate cold and light frost, since they are the most cold hardy bunching onion available. To start onion seedlings indoors in February or March, fill a container nearly to the top with a seed starting mix and then make two furrows, about 1/2-inch deep, for the onion seeds. In frost free areas, sow in fall. Growing onions from seed opens up a world of diversity in shapes, sizes, flavors, and colors to grow. The size of the onion bulb is dependent upon the number and size of the green leaves or tops at the time of bulbing. Label the container with the name of the onion variety. Sow thinly and cover with ¼ inch of seed starting formula. Work organic matter into your soil at least 6-8 inches deep, removing stones, then level and smooth. Bunching onions are very hardy, and many varieties are well-suited to winter harvest or overwintering. 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 . Growing onions from seed opens up a wide diversity of shapes, flavors, sizes, and colors to grow. Award-winning bunching (green) onion with a pungent flavor and compact habit, suitable for containers or the garden. Onions prefer an organic soil that drains well. 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. Onions prefer a pH of 6.0 – 7.0. 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