Beech Bare Roots not Leafing?

Not sure what to make of it. I got these a few months ago & put them out. They don't seem to be dead, but none of them have Leaved out, yet. Every other of my bare roots that survived are fully leaved out, but these ones are all being stubborn. Only one showed signs of being about to try, but even that one never did.

I guess, if they're still alive, I shouldn't be too worried, but I am confused.

Did you soak the roots before planting?

Have you given the trees plenty of water?

I planted something last year that has just now leafed out.  My daughter thinks they did not get enough water until now.

With the Beeches, I did soak them as soon as I got them, but I wasn't able to plant them until afternoon the following day. It's been raining often enough & I try to get water to the ones out in the open if it goes above 80°, but this is one of two I put in the woods. It has not once dried out back there enough for it to be a problem for young plants this spring. Based on how it has been in recent years, it probably won't until July-August.