Mairol Garden in Festa with a low pH value, a mineral fertilizer complete for all types of azaleas, heathers, hydrangeas, camellias or rhododendrons. The balanced amounts of the main nutrients with the percentage slightly reduced phosphates and the targeted addition of alum and iron chelate guarantee healthy growth, long flowering and maximum nourishment for chlorophyll. In the resting phase, no fertilization takes place. The glass in the cap serves as a measuring cup: 2 ml of garden plant fertilizer in 1 litre of water Use acidic earth (pH value 4.5 - 5.5), avoid stagnation of water and water with rainwater. Azaleas as a dwelling plant need of a cool location, in dim light and constant severe humidity. Rhododendrons as outdoor plants love the East and the West.