Will try and give accurate time frames in years the best I can. Also, this is an awesome thread and idea!!
2004 - nicotine
2005-2008: bud, salvia & alcohol
2008-2012: DiMiTri, Molly, cocaine, heroin, ecstasy, bud, methamphetamines & amphetamines, 2c-e, 2c-I, lsd. Mushrooms, bud, spice (fake...