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The white fuzzy stuff growing along the roots of microgreens may look similar to mold, but these are root hairs. They develop on the radicle or primary root that emerges when a seed germinates. Root hairs absorb water and nutrients and anchor the plant. As your microgreens develop and mature most of the root hairs may not be as visible. Sometimes you may notice white mold that looks like spider webs or stretched out cotton wool that stays apparent as the seedlings grow. Stagnant air and excess m