How to save my 25 yr old rubber tree plant!

Question

This plant never ceases to amaze me, however, I am afraid if I do not do something, thin or repot it will die…plus I would like to propagate it. I have read about air-rooting but it has gotten so big I have no idea where to begin! Please, any advice is very much welcomed!

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Answer 1

From the photo, the plant appears to be healthy and not extremely large for the pot. Although if it has been in the same container for 2 years or more you should consider re-potting it into a larger container with new potting soil.

Crown reduction pruning is possible to manage the size.

Air layering is a method of propagation from a cutting off the parent plant. But instead of cutting straight away, you cultivate some root development before detaching the cutting from the plant.
https://www.gardeningknowhow.com/garden-how-to/propagation/layering/air-layering-plants.htm

https://www.gardeningknowhow.com/houseplants/rubber-tree/propagation-rubber-tree-plant.htm