can you build a carpet from dwarf hairgrass?
Yes, you can. Amano has some gorgeous hairgrass carpets. Someone here
recommended using Eleocharis parvulus instead of the more common E. acicularis.
It stays shorter. And you can clip it to keep it short, which is not
recommended with Liliaeopsis.
Leigh
http://www.fortunecity.com/lavender/halloween/881/