Seed and Cutting Compost, approximately 4 Litres of our own special seed and cutting compost mix that we use on the nursery contains Irish fine grade sphagnum peat, base fertiliser, horticultural grade perlite and dolomite lime sent out in polybag. This compost is ideal for all seeds and to use for cutting compost in pots or trays. 4 Litres is the exact amount you will require to fill a standard size seed tray. Please damp the compost before sowing seeds or inserting cuttings into compost. Compost is sent out in polybag double bagged be careful opening bag.