Q.Outdoor yucca plants
Some of my yucca plants have these big seed pod looking things on them now that they are done blooming. What do I do with these and do I go ahead and cut the stalks down now that they are done blooming? Can these seed pods be used to start new plants? If so, how long does it usually take to get them to grow from the pods? Thank you again for your time. Your site has been a big help to me.

You can cut them down, and yes, the seeds can be used to start new plants. Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/foliage/yucca/propagation-of-yucca-plant.htm