Marianne Strydom of Klerksdorp writes: What can I use to get rid of paper thorn weeds on my kikuyu lawn? They have grown so thick and lush that trying to dig them out, roots and all, is just not working.
JJ replies: Fertilise your lawn with 7:1:3 to make sure it recovers after being treated with this method: mix Versus and Lawntyl. The Versus will kill the weeds it comes into contact with, and the Lawntyl will kill any seeds that germinate. You can repeat just the Versus after two weeks if necessary. Lawntyl works for about 3–6 months; make sure you don’t make it too strong and follow the instructions carefully, or your lawn will turn yellow and take a long time to recover.