depends on.
Utah State University Extension’s pollination guidance advises avoiding insecticide applications while zucchini flowers are open and bees are actively foraging, unless treatment is genuinely necessary and the product label specifically states it is safe to use around pollinators.
Even products considered relatively low-risk can harm visiting bees if applied at the wrong time of day.
Harvest frequency also matters more than many gardeners expect. Colorado State University Extension’s cucurbit guide explains that leaving oversized fruit on the plant can signal to it that reproduction is complete, which may
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