Is There A Spray Available To Repel Butterfly’s From Brassicas

Question

A friend has used a substance called “Bumper” which you dilute with water and spray on the foliage to prevent the butterfly laying its eggs. I went online to see where I could buy it and nothing comes up on google

Answer 1

Likely, the worse culprit will be a moth larvae called the cabbage looper! This will be easily controlled, though. Here is an article that will Help:

https://www.gardeningknowhow.com/edible/vegetables/cabbage/protecting-your-cabbages-from-cabbage-maggot-cabbageworm-and-cabbage-moth.htm