i got a box of 5 plants and i have 1 long light of 15w and 2 other small lights of 25W easch and i only use the 15w and the 25 W right now since htere only 3-4inches big and a have a fan from computer blowing air out and a humdifier humditi is about 35-60 and themometer is about 25-30 remenber...