Mowing and Management: Best Practices for Monarchs

Understanding when monarchs are present allows land managers to time management practices like burning, mowing, grazing, or targeted pesticide application when they are least likely to harm monarchs. Monarchs can be harmed when eggs and caterpillars on milkweed plants or adult monarchs seeking nectar from flowers are present during management, or when habitat is removed at critical points in their life cycle. The recommendations in this document are intended to reduce harm to monarchs based on breeding and migration activity.

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