Q.shadows fem yaupon holly trees
We are wanting to use this plant for a privacy fence between houses.
1) Do you have a picture of a full grown tree?
2) Do these trees need pruning? Some info says yes, others say they are great left naturally.
3) How far apart do you plant?

Certified GKH Gardening Expert
This is not the Shadow variety, but this article includes a picture of a full grown Yaupon holly hedge:
http://www.clemson.edu/extension/hgic/plants/landscape/trees/hgic1025.html
Yaupon holly does not need pruning to grow into a healthy shrub, but it may need some pruning if you want to make it into an even hedge. See this article:
https://www.gardeningknowhow.com/ornamental/shrubs/holly/trimming-holly-bushes-how-to-prune-holly-bushes.htm
It should be spaced 8 to 10 feet apart.