I planted Brussels sprouts 2 years ago and have only got yellow flowers that turn into beans. Is this suppose to happen or did I get plants labeled Brussels sprouts and they are a different plant?
It sounds as if the plant has bolted and is probably not very tasty anymore. Crops like this need to be harvested before they bolt. To keep plants that are prone to bolting, they need to keep their soil cool. Mulch helps. This article will help: https://www.gardeningknowhow.com/edible/vegetables/vgen/what-is-bolting-what-it-means-when-a-plant-bolts.htm