QuestionsHow to growLawnsFeedingOld lawn to new 0 Vote Up Vote Down James Redmond asked 16 years ago Gerry How do I treat a lawn that was once good but is now neglected and has weeds and some clumps of spikey grass in it james 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago You need to mow regularly, feed the grass and control weeds with lawn weedkiller in May. Full details are available in Know-how: How togrow:Lawns.