Here's a sketchy idea for a planting plan:
the large plant in the left is a green tiger lotus (too big?) surrounded with dwarf hair grass (eleocharis acicularis); riccia fluitans growing in the holes on the rock and hc for the groundcover.
Another idea is to skip the lotus and just stick with the dhg, riccia and hc:
Last edited by bluestems; 08-25-2012 at 05:04 AM.
Reason: added second