Is it possible to encourage pups by rubbing a joint? If you rub a stem of a rose you will help to make it sprout. Could I do that to my yucca?
Certified GKH Gardening Expert
It may help, but it is likely that it will not respond to the treatment. You can take a clean, sharp knife and scrape the are. This might help. Here is an article for the care of yuccas: https://www.gardeningknowhow.com/ornamental/foliage/yucca/caring-for-and-landscaping-with-yuccas-outdoors.htm