Do marigolds really protect vegetables from insects?
Marigolds have a long history of keeping harmful insects away from produce when they
are grown nearby. With one notable exception, no academic study has been
conducted to support the plant's insect-repelling claims, therefore this assertion
appears questionable. There is proof that marigolds release a substance into
the soil through their roots that may aid in the management of harmful nematodes.
However, deer and rabbits do appear to be repulsed by the strong scent of marigolds.
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