I would highly recommend Royal Rainier. In San Jose, it has reliably ripened cherries in both low chill and high chill winters. I was told Rainier doesn’t reliably set fruit in low chill years but I don’t have personal experience. I have compared Royal Rainier from my tree with Rainier from Andy’s orchard and other U-picks in Brentwood and I can’t tell the difference. If anything, Royal Rainier is more crisp