Q.pussy willow trees
I am trying to find some starts to grow a pussy willow tree with no luck. The nurseries say just get some cuts from a friend. After many calls, everyone tells me they had a pussy willow and it died over the winter. Are they hard to grow or what? I live in NE Iowa. I believe that it is zone 5. Thank you for any information you provide.

You can generally purchase 'bare roots' of Pussy Willows.
Check with a garden center or greenhouse that sells shrubs and trees.
Pussy Willow is quite common and they should either stock these plants or can easily order them for you.
Bare roots can also be ordered online and shipped to you.
Pussy Willow are not difficult to grow and will winter over in zone 5.
https://www.gardeningknowhow.com/ornamental/shrubs/pussy-willow/growing-pussy-willows.htm