I grafted Girardi last year and it did fine in my Z5. I just checked on the 3 grafts on wild Mulberry understocks and all their buds swollen and about ready to leaf out. One of the graft fruited last year and the fruit was excellent and sweet.
It does. My, get this, ex-wife’s long term boyfriend, wanted a mulberry and I Chose a dwarf (my Illinios Everbearing would be far too large for his yard).
He’s not a bad guy, for a Yankees fan. First time I met him in person, he threw me the keys to his new convertible and said “take it for the weekend”. As I was heading out to a nursery out off a 3 mile long dirt road and wanted space to return with plants I passed.
We’re both ex-east coasters and if my current wife didn’t find it strange we’d be better friends.
My ex wanted to surprise him with it, so asked me to procure…means I get to pick the variety (and get a cutting to try granting it to my I. Everbearing.