Growing brussels sprouts in PNW
I was wondering when people grow brussels sprouts in coastal Washington. I am in Seattle, and we usually only get weather consistently above the low 60s at the end of May or early June. Frost arrives late November IIRC.
The info I have seen on these for my area has been kind of inexact- the Seattle Tilth guide says they can be planted in May, but a professional grower (I don't know if he grows BSprouts professionally or not) told a friend of ours that it's best to plant (=transfer?) in August. I figure that since they supposedly need to experience frost to taste their best, planting later is a good idea, but I'm not clear what "later" is for this case. I have Catskill and Falstaff seed, and I think both varieties are long-season.
Does anyone have advice about this?