Q.Pussywillow
Could anyone tell me what the orange spots on my pussy willow tree please

Certified GKH Gardening Expert
This looks to be one of many fungal diseases that can plague these trees. Copper fungicides are recommended. Here is an article that will help:
https://www.gardeningknowhow.com/garden-how-to/info/what-is-copper-fungicide.htm
This article will help you with the general care for this tree:
https://www.gardeningknowhow.com/ornamental/shrubs/pussy-willow/growing-pussy-willows.htm