Full Worm Moon in March 2023: Meaning, Significance, and Best Viewing Times

In this month the ground softens and the earthworm casts reappear, inviting the return of the robins.  The more northern tribes knew this as the Full Crow Moon, when the cawing of crows signals the end of winter, or the Full Crust Moon because the snow cover becomes crusted from thawing by day and freezing at night. The Full Sap Moon, marking the time of tapping maple trees, is another variation.