Broccoli and Cauliflower Did Not Form a Head

Question

My broccoli and cauliflower plants did not form heads.

Answer 1

This normally happens because the soil is too warm. They just go straight to bolting. This article will help prevent the bolting so that a head will form:
https://www.gardeningknowhow.com/edible/vegetables/broccoli/bolting-broccoli-growing-broccoli-in-hot-weather.htm