The Full Moon in May is also called the Flower Moon, signifying all the wildflowers in bloom.
Although the exact alignment happens during the day, the moon will still appear full when it rises that evening. And it may even appear full the night before.
According to the Farmer's Almanac, full moon names were first used during Native American and Colonial times to help track the seasons. May’s Full Moon was called the Full Flower Moon as well as Mother’s Moon, Milk Moon, and Corn Planting Moon.
The May Moon marked a time of increasing fertility, with temperatures warm enough for safely bearing young, a near end to late frosts, and plants in bloom.
Learn more about Full Moon names and their meanings.
The next full moon will come on the night of June 27, 2018.