I just got the Oenanthe japonica 'Flamingo' (synonym: O. javanica 'Flamingo', O. stolonifera 'Flamingo'; Family: Apiaceae / Umbelliferae) recently. Let's see how well it would grow. 2 links are shown below:
In the same pot was also the interesting Azolla caroliniana (common name: Carolina Mosquito Fern, Duckweed Fern, Fairy Moss, Water Fern; Family: Azollaceae), which is a floating aquatic plant. 2 links on this plant are shown below: