just curious

hileeMarch 5, 2014

Often, when plain yellow onions from the grocery store sprout, they have multiple "shoots" coming from the top. Does that mean that they are some sort of multiplier? When allowed to complete the life cycle; would they not continue to "expand" by dividing? Anyway, why do they do that?

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planatus(6)

Onions are smart, and show their wits when allowed to perennialize. They will propagate themselves by seed and by division, putting more energy into seed when they are stressed, and more into vegetative growth (division) when conditions are good.

    Bookmark   March 6, 2014 at 7:42AM
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hilee

Hmmm. Can I extrapolate from this that if I were to plant the onion, that it would continue to separate, thereby making a clump or will the sneaky little buggers just set seed? By the way, I am in an elevation that is not conducive to bulb growth except for the small, --we call them "Filipino" onions--that have tiny purple, ovoid bases; very similar to the l-toi. Sigh. I long to have an onion patch of onions that are not teeny and will self-propagate...

    Bookmark   March 6, 2014 at 3:50PM
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farmerdill

Onions tend to have multiple rings. Each seperate set of rings will produce a new plant. Todays commercial hybrids are developed to have single rings a highly desired trait especially when using for onion rings. Even so some of them will revert to multiple rings. Self propagation is pretty much restricted to topsetting onions and Allium fistulosum. Even potato onions and shallots require digging and replanting.

    Bookmark   March 7, 2014 at 12:49PM
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