Buy the 2015 Old Farmer's Almanac!
It depends what you areIt depends what you are growing. Avoiding garden soil in containers as it brings other organisms (disease, etc.). In general, use 80% peat moss and 20% perlite. See more:

2015 Garden Calendar2015 Weather Watcher's Calendar2015 Recipes Calendar2015 Engagement Calendar 2015 Everyday Calendar2015 Country CalendarNew Year Cross StitchLobster Rope Doormats