Q.broccoli is flowering
This is my first year trying to grow broccoli in a greenhouse. Thought it was coming along nice and now it is starting to flower. What did I do wrong??

Certified GKH Gardening Expert
It is bolting. This article will explain more:
https://www.gardeningknowhow.com/edible/vegetables/broccoli/bolting-broccoli-growing-broccoli-in-hot-weather.htm

My first thought would be if you're growing it in a greenhouse it got too hot. Broccoli is a cool weather veggie and would prefer cooler temps then would be in a greenhouse during the summer.