I find carrot fly a real problem in my garden, which has sandy soil and gets badly infested every year once I start to pull the carrots. I put a barrier up, spray with a garlic solution to try and disguise the carrot smell and grow parsley and spring onions between rows. Do the grubs live in the soil and overwinter? Am trying them in an area of the garden which has never grown root crops before this year but was wondering if you have any tips. Thank you.
Certified GKH Gardening Expert
This article will help you: https://www.gardeningknowhow.com/edible/vegetables/carrot/carrot-rust-fly-control-tips.htm