Avoid planting broccoli or other related brassicas in the same area year after year.

Source: https://www.shorenewsnetwork.com/2023/06/17/springtime-woes-bolting-broccoli-and-what-to-do-about-it/

Stephen Hurton, chair of Isleworth’s Park Road Allotment Association since 2016, said people with smaller plots “can’t grow potatoes or brassicas because you don’t have the space”.

Source: https://jerseyeveningpost.com/morenews/uknews/2023/08/03/dukes-allotment-management-was-dereliction-by-design-inquiry-told/

When it comes to vegetables, you can feed most varieties, but it is best to avoid root vegetables and brassicas (such as broccoli and cauliflower).

Source: https://raleighpublicrecord.org/can-hamsters-eat-dragon-fruit/