Please see postcodes below before purchasing as we do not post to all of the UK. Free Next Day Delivery For 5kg Bags And Above. Please Note Bags Under 20kg Are Sold In White/Clear Bags. Why Choose Ivisons Fast Growing Rapid Lawn Seed. ---Fast recovery lawn mix. ---Superfast grass repair mix. ---Repairs patches from dog urine, salt, diseased areas, heavy traffic, goalmouth areas, bare patches, neglected or tired lawns, under swings, trampolines and play areas. ---Fast germination (7-21 days). ---For patches tired lawns or just to establish a new lawn fast. ---Used as a new lawn this would produce a quality hard wearing lush green lawn. ---DEFRA certified. ---100% Dwarf Perennial Ryegrass Tips For Sowing Full Lawn On Dog Urine Patches: For best results on tired lawns, scarify the whole lawn then sow as an overseed.