Grafted or Own Root: A typical grafted rose (center) is shown with several varieties of own-root roses. Note the difference in sizes and fibrous root systems.
Container Size: Based on the grower's production preferences, you will find various-sized roses for sale. The most common options are bare-root, banded, 1-gallon and 2-gallon.
From left to right: Grafted , Banded, 1-gallon and 2-gallon
Benefits of a larger sized container
Adapts quickly to new environments and has higher survival rates
Fairs better in transit
Provides the gardener handling flexibility
Don't assume larger-sized containers equate to higher prices. In most cases, you will find these roses are similarly priced regardless of the size option.