Please see post codes below before purchasing as we do not post to all of the uk CHECK ZONES BELOW BEFORE ORDERING AS WE DO NOT COVER ALL OF THE UK Bags under 20kg will be sold in White/clear bags. 5KG PRE-SEED FERTILISER CLEAR BAG NITROGEN 6% PHOSPHORUS 9% POTASSIUM OXIDE 6% Spread 3-5 days before sowing grass seed Using Ivisons Pre-seeder fertiliser before turfing or seeding is a great way of ensuring that your new lawn gets off to the best possible start. It is especially good when used on thin or low nutrient soil. Its high Phosphorus content not only aids seed germination but also improves root development. It is also excellent when applied as a lawn tonic throughout the growing season. Treatments must me At least 6 weeks apart. Only apply during the growing season Normally April To October Rate of application: 35g/m².