What is the recommended common approach for controlling invasive *O. umbellatum* in a home garden setting?
Answer
Thorough physical removal of every bulb and offset in early spring
Management recommendations for the aggressive naturalizer *O. umbellatum* focus heavily on comprehensive physical eradication due to its prolific bulb structure. Gardeners are advised to dig up the weed immediately upon emergence in the spring, ideally before it has the opportunity to flower and produce seeds. The crucial aspect of this control method is ensuring absolute thoroughness; merely pulling the above-ground foliage is insufficient because the subterranean bulbs remain viable. The process requires painstaking removal of every small bulb and offset to prevent re-sprouting the following season.
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