I grow most brassicas in the fall for the same reason. Bugs are less a problem in fall too.I haven't grown any brassica since moving to hot dry flat brown central Oklahoma 20-some years ago. We don't get any frost to kiss it into sweetness until WAY late in the year.
I do grow a few cabbage in spring but only Early Jersy Wakefield. It is a pointed head cabbage that matures a bit faster than the round types. I grow it again in fall.
Same. It is picked and served by 4th of July.Up in NY the saying it's "knee high by the 4th of July." Central Okieland you're already picking and eating it by then.