Garden City Plastics (GCP) is Australia's largest supplier of fertilisers to the wholesale nurseries, landscape and gardening industries.
Try Osmocote, the best known and most widely used brand of controlled release fertiliser world wide. Osmocote feeds plants continuously for 6 months or more from one easy application. Designed to release nutrients as plants need them, the range includes fertilisers specially formulated to match plant needs. The range also contains a wetting agent to reduce water runoff and improve nutrient uptake.