Anyone Growing Persimons?

My wife bought a few fruit trees by catalogue this spring, the kind that arrive about 3-4 feet long with bare roots bundled in moist packing of some sort. Everything grew well, putting forth leaves and, in the case of the quinces, flowers. Except the persimmons.
She's tried planting persimmons about every 8-10 years but they never take. I know they grow in our area because there are two trees on the highway about a mile from our place. Anyone out there have better luck with them?
I told her that next time she wants to plant persimmons, we should go to a local nursery and buy some potted saplings with leaves on them, just to make sure they're alive. Or go dig some up along the highway.
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