Have you experienced problems with pests on your garden plants this summer? Whether you garden on a large or small scale, there’s a very good chance that your plants have been affected by pests at some point. I experience this every year at the allotment, with blackfly on my broad beans and caterpillars on my cabbages, and at home in the garden there’s always an invasion of greenfly on the roses and honeysuckle at the start of the summer. You ...