I am certain it depends on the environment. My last one lasted past the new year but by then the roots that grown down held the soil intact and I just mounded some leaves around that.
Seems there's no way to respond to an individual post, but, I wanted to tell ViolaAnn how lovely her collection of Hosta is! Very well kept gardens. Thanks for sharing!
Beauty pleases, not only the eyes, but the heart as well. ~~Sheila