Name: Sandy B. Ford River Twp, Michigan UP (Zone 4b) (Zone 4b-maybe 5a)
That sounds about right to me, Don -- but I think the 90 days is time from transplanting, so you would need to start seeds a month or so in advance of that.
This is making me think I should give it another try !
“Think occasionally of the suffering of which you spare yourself the sight." ~ Albert Schweitzer C/F temp conversion