[dmg]

I have had a brassica type plant growing quite well over winter and it has taken a 12inch stretch in the past few weeks. I only grew PSB last year planted out from pots no other brassica's grown. The overall size is now about 5ft
Any Ideas anyone?

[DD.]

Whatever brassica it is has gone to seed!

[ghost61]

Probably a rogue white sprouting broccoli.