The seeds of Dinafem are exclusively feminized and of great quality. They were created using different organic methods like self polinization or crossing of sisters. Dinafem strains need a temperature of 23 degrees and a relative humidity level of 70% for a coorect vegetative growth. Dinafem also recommends a pH level of 6, an electroconductivity level of 1, a blue lamp and high nitrogen amounts. These cultivation guidelines can be applied to almost all seeds from Dinafem or from other banks.