Yes, planting a container pond with one main species as a feature plant can be very effective.

  •  a vigorous variety can be controlled in a container pond.
  • plants with a sharp root stock can be dangerous to the liner in a pond but they cannot puncture the solid material of a container pond
  • you can use miniature or dwarf waterlilies as the feature plant in a container pond
  • always add an oxygenating plant under the water surface