Samhain (Halloween/All Saints Day) is the end and beginning of the Celtic year. By November 1st, the harvest is in and the seeds of the winter crops are planted. These seeds will lay dormant until Imbolc, called Candlemas by the Church, at the beginning of February when (in the British Isles) they move by themselves for the first time. The seed now has demonstrated that it is a living entity on its own. By Beltane, May Day, the plants are up and fertility is of extreme importance. Then at August 1st there is Lughnasad, Lammas in the Christian calendar, when the harvest begins.