Answer: Some gardeners report success using the repellent sprays labeled specifically for rabbits. Be sure to read the label and apply and reapply as directed. Another possibility would be to treat the plants with a pepper/wax spray, again be sure to follow the label directions.
Here is some additional information about rabbits you may find interesting. You may need to cut and paste the complete url into your browser to make it work correctly.
Good luck with your hostas!
Q&A Library Searching Tips