Want to remove them from soil this fall and hold "somewhere" and somehow over the winter then replant in the spring. How do I do that without killing them?
I Need to Relocate My Hostas
Certified GKH Gardening Expert
It would probably be better to transplant them to their new location now rather than wait for spring. The plants will go dormant and be fine over winter. This article will help: https://www.gardeningknowhow.com/ornamental/foliage/hosta/transplanting-hostas.htm
However, you can also plant them in containers and keep them over winter, either outdoors near your home or unattached garage. Depending on your region, you may want to wrap the pots or add some mulch and water once a month to prevent them from drying out completely.