Yes Large White aka Cabbage White … I treat nasturtiums as ‘sacrificial’ plants and let the butterflies have them … but I net my brassicas to keep them away from my veg.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
For the first time in years we sowed some brussels and they are being decimated by the whites caterpillars. Our fault for not netting. In the polytunnel for the first time ever our pak choi and kohl rabi also being attacked by the caterpillars. Pick them off but sqashing them not pleasant and they smell so awful, supposedly why the birds don't eat them.
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Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.