evergreens and the back of the garden
I live in Atlanta, in a townhouse, and have a garden that is 10'l by 3'd at its widest, curving to nothing at the other end of the 10'. In the back of my garden, against the wall of my house (which faces W/SW) I have a climbing rose in the center, canna lilies, and alliums. I'd really like to add something equally tall that is either evergreen or with winter color, because once I get to October the garden just...disappears. Any suggestions? If it went away during spring and summer and then appeared late summer through early spring, that would be ideal, but we all know how often 'ideal' actually happens in the garden. So far, I'm considering juncus effusus, salix 'britzensis', and the oh-so-gorgeous muhlenbergia capillaris. Any ideas?