‘In July the sun is hot / Is it shining / No, it’s not!’ As musical comedy duo Flanders and Swann pointed out back in the sixties, the weather in July can be chancy, but nevertheless, it’s a great month for gardeners. The days are long, and you can start to really enjoy the fruits of your labours in the veg patch. To make this year your best harvest ever, here are a few tips on what to do now, as well as how to get the better of plant pests and diseases.