Irish Examiner gardening columnist Peter Dowdall. Picture: John AllenI use Grazers to prevent many pests on plants in my garden. The calcium is absorbed by the foliage and makes the plants totally unpalatable to a range of insects. These are highly effective in a greenhouse environment, less so on outdoor plants but probably worth a try. • Got a gardening question for Peter Dowdall?

Source: Irish Examiner July 18, 2021 07:52 UTC