Not sure if you mean the ornamental tropical ginger with the bright red and orange blooms, or a culinary ginger in an edible garden. A pot at least 12 inches deep and 10 inches wide would be the minimum, but a larger container would be even better. Add lime green foliage plants such as sweet potato vine, and a brightly colored coleus in the pot if you want a tropical punch of color to go with your blooming ginger plants. Keep growing, Marianne Binetti