Nature always provides a means of keeping a balance and it’s no different in the garden. There are many insects that you should actively encourage to take up residence in your garden.....
If you have the dreaded club root as I do then don't be put off form growing cauliflowers. My caulis grown from seed from Simply Seeds have been the envy of the allotment for the past 2 years. Clapton shows no signs of clubroot. Miraculous.