We Have Pyracantha’s That Are 20ft High, But With No Foliage For The First 8 To 10 Feet. If They Were Pruned In Half Would They B

Question

ecome bushy? W would cut them back to 8ft tall

Answer 1

I would not. I would not take more than 6 to 7 feet off of it. They can only handle pruning of no more than one third of its overall height. I'd keep it around 13 feet or so. Here is an article that will help you with its minimal care and pruning:

https://www.gardeningknowhow.com/ornamental/shrubs/firethorn/care-of-firethorn-bush.htm