Multiplier onion sets produce abundant offsets from each bulb planted. Sow these first-year onion sets in the spring and enjoy cut-and-come-again green onions all summer long. By the fall, each set that you planted will have produced lots of offsets that are the perfect size for pickling onions. If you save some of the best looking ones in a dry place over winter, you can plant them again next spring and repeat. Fertilize every few weeks with nitrogen to get big bulbs. Cease fertilizing when the onions push the soil away and the bulbing process has started. Do not put the soil back around the onions as the bulbs need to emerge above the soil.
Onions do not need consistent watering if a mulch is used. We suggest about one inch of water per week (including rain water) is sufficient. If you want sweeter onions, water more. Onions will look healthy even if they are bone dry, be sure to water even during drought conditions. It is most important to make sure your soil is well-drained. A straw or similar mulch will help retain moisture and stifle weeds. Cut or pull any onions that send up flower stalks; this means that the onions have “bolted” and are done. These sets are an open pollinated heritage variety.
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