Levington® John Innes formula composts are based on a traditonal mixture of loam, peat, and washed and graded horticultural grit. Levington® John Innes No.3 compost has a specially balanced nutrient mix ideally matched to the needs of mature plants and is therefore ideally suited for the final repotting of mature plants.
John Innes composts were developed in the 1930s. Various formulas exist depending on the use of the compost. The composts have been specially designed to ensure the ideal air and water holding capacity and nutrients content for different kinds of plants. The following Levington John Innes composts are available: