Can Pony Tail Palm Be Propagated From Branch Cutting?

Question

Palm is about 15 ft tall, growing in the garden

Answer 1

You could give it a try. Here is how:
https://www.gardeningknowhow.com/ornamental/trees/tgen/planting-trees-from-twigs.htm
https://gardeningsolutions.ifas.ufl.edu/plants/trees-and-shrubs/trees/ponytail.html