Chilli Thrips are continuing to wreak havoc on rose bushes (and other plants) around Perth. Gerberas are often companion plants of roses. Given time, these thrips will also affect gerbera plants. Sabrina Hahn wrote a comprehensive article in The West's Gardening section on Friday 8 April 2022 and made several interesting points. Chilli thrips are very difficult to see with the naked eye (2mm long) - you need a magnifying glass to see them properly. They are active in spring,