My weeping pussy willow trunk got damaged with a trimmer. How should I treat the open spot?
Keep it clean with alcohol, or any other tree safe spray. Let it heal. Covering will promote infection, usually.
https://www.gardeningknowhow.com/ornamental/trees/tgen/wound-dressing-on-trees.htm
We planted it this summer and it has taken off. It is starting to grow straight up but the length is flowing down the bank we planted it on. Should I cut them to where they hit the dirt?
This article will go over, in detail, what and when you need to do:
https://www.gardeningknowhow.com/ornamental/shrubs/pussy-willow/how-prune-pussy-willows.htm
when i should give plant food for my pussy willow. every month every 2 weeks, need help
They are low feeders, and you will want to fertilize them in early spring with a balanced, slow-release fertilizer of your choice. Apply a layer of organic mulch to retain moisture and feed once a year for optimal growth. Over-fertilization can be harmful, so follow package instructions and adjust based on the specific needs of your soil and the tree's growth.
This tree is carefree for the most part. Pruning and control of its invasive root structure will be more of a concern.
https://www.gardeningknowhow.com/ornamental/shrubs/pussy-willow/growing-pussy-willows.htm
I have some pussy willow stems that have grown roots, can I grow this as a small shrub in a pot
Yes, you should be able to grow them in a large container. Here is more:
https://www.gardeningknowhow.com/ornamental/shrubs/pussy-willow/rooting-pussy-willow-cuttings.htm
https://www.gardeningknowhow.com/ornamental/shrubs/pussy-willow/how-prune-pussy-willows.htm
https://www.gardeningknowhow.com/ornamental/shrubs/pussy-willow/growing-pussy-willows.htm