I've never heard that particular phrase, but a lot of the myths and folklore came from the Farmers Almanac. A lot of 'em are easy-to-remember rhymes and diddy's. that added to the charm of the publication, but added nothing to scientific observations and accuracy. (and proved nothing) I does make the gardener think and plan, but beyond that...I'm not at all convinced.

Gardening by Witchcraft - The looney wisdom of the Old Farmers Almanac. (the article starts half way down the page)

Research|Penn State: Is the Farmers' Almanac accurate?

They say this one is a good read, and is typical of the moon phase marketing:
The Gardeners Secret Handbook