This depends on what you are trying to do. We list mature sizes, height and width, in our descriptions. These are approximate numbers. There will be some variation from garden to garden depending on location and care given. A. Spring and Fall.
Temperatures are cooler.
Newly divided plants need frequent watering. A. Soak the ground around your hosta the day before digging. Dig out in a circle similar to the area of the leaves. Dig 12-18 inches deep. If you are digging your plant out in the fall, you may want to cut the leaves off.