Second year of trying to grow Brussel sprouts in NE Ohio. First year, small heads. This year no sprouts for heads to even form on. Why?
Trouble Growing Brussel Sprouts
Certified GKH Gardening Expert
Brussel sprouts take a long time to mature and need cool weather to grow well.
You are not alone in difficulty in growing this crop.
Here is a link that will give you some help and tips.