I understand about letting them ripen in the house. Thing is, if you leave them on the tree too long, they get grittier rather than less sweet. The sugar content shouldn't change, and with these I'm never getting that sugar content. I've picked them at different stages and they always come out...
I live in Eastern Washington. We have a large pear tree that's been grafted to bear Bosc, Anjou and Bartlett. It's around six years old and it gets full sun all day long. It sets lots of fruit and appears to be very healthy, but the fruit never gets sweet. We've tried everything, even down to...