Starter bulbs, also known as sets, are immature bulbs used in horticulture to propagate onions (Allium cepa). Because onions can take more than 5–6 months to reach maturity, many growers with shorter growing windows prefer to grow onions from starter bulbs rather than seed.
Onion seeds are cultivated in the spring and the resultant bulbs are harvested in autumn. These bulbs are similar in appearance to the mature onion, but much smaller in size. The starter bulbs are stored in a cool, dark place over winter. The next spring, the starter bulbs are planted in rows, 8 to 10 cm (3 to 4 in) apart. Although this method ensures a larger mature onion, it is more costly.
See also
References
- Old World Garden Farms (March 11, 2021). "How To Plant Onion Sets In Spring, And Why It's Better Than Using Seeds!". oldworldgardenfarms. Retrieved 16 April 2023.
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