This range of CANNA nutrients is designed to be used in soil only. CANNA TERRA nutrients can be used inside or outside - the choice is yours! The one-part nutrient is easy-to-use and gives great results. CANNA Terra Flores is ideal for flowering. This nutrient can be used with pre-fertilised soils and nutrient deficient soils. For best results, use with CANNA Terra Professional or CANNA Terra Professional Plus+ soil mixes.