Diana's Secret Slug Killer

Courtesy of Wade and Gatten Nursery

Formula:
1 - cup ammonia
1 - gallon water
1 - squirt of Joy

Directions:
Spray early in the morning.
Spray on both roots and leaves.
Keep spraying about once or twice a week throughout the summer.

(They also suggested to spray both upper and lower sides of leaves.) This may be a good point for very large hosta leaves.