Growth spurts in the garden appear to coincide with certain moon phases. Try planting according to these guidelines and make your own observations. Sow seeds during the waxing moon. Seeds sown during the waning moon, however, won't germinate until the next waxing period. Transplant on the waning moon.
Plants root more readily.
If you're interested in more details, consult an almanac or good astronomical calendar. Half to full moon. Decreasing in size. Full moon to last quarter. Wholesale Seed Companies.