Are Ulmus 'Kimmie' and 'Fuiri' hardy in the ground in Zone 5?
Iris:
I believe the answer is no.

Then I will put them back in pots in the fall.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)