Hysteria. It seems to have become common now – even in the supposedly bucolic world of gardening. We’ve had plenty of reasons to worry, and I am in no way making light of Dutch elm disease, sudden oak death, oak processionary moth, ash dieback, box blight, box moth, bleeding canker on horse chestnuts and botanical concerns such as Japanese knotweed, gunnera, giant hogweed and invasive bamboos. All of the above give cause for concern, but a measured and rational approach is the way forward rather than the broadcasting of alarmist propaganda that some see as a way of making a fortune.
Remember the ‘millennium bug’ – the computer gremlin that, it was suggested, would cause a massive shutdown of technology at midnight on 31 December 1999? Industry and commerce trembled,…