Cabbage White Butterflies

Q:  Hi Ken, I am a little nervous at calling in to the radio so I thought I would email my problem to you.  Last year was my first year of growing vegetables, however, the Cabbage White butterflies desecrated my brassicas.  I covered everything with netting but they still managed to get in resulting in very little produce being left for the pot.  Is there any other way I can avoid this?  I don’t want to spray, if I can help it, but I will if that is my only option. Any help would be greatly appreciated.   Many thanks,  Marion Wells

A: Dear Marion, You  mention that you have used a net, I take it you do mean net, whereas if you had used horticultural enviromesh and pinned it to the ground each side of your brassicas this would have prevented them laying eggs on your cabbages.  Remember that butterflies are around earlier than one realises, and it is wise to use enviromesh all the way through the growing period.  There are no chemicals particularly that you can use, and I note that you’re not keen to anyway. Hope this helps, Ken

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