Posted: 04/12/2015 at 12:34
Perki, some excellent plants there.
Lots of blues.....monch, veronica and salvia together? I like blues but prefer to keep them well apart. A "better" blue can often subdue another as whites can.
Astrantias and astilbes not fancied? maybe a dwarf coloured foliage grass or two? A dwarf kniphofia to add more linear features? actea brunette to "balance" diablo? No evergreens Perki? You have a lot of summer colour there but little at other times. A couple of hellebores ..evergreen and winter colour. Some "mounds" too.....dwarf hebes, abelia confettii, berberis atro nana, etc? Some height too...veronicastrums would look good there.
what are you actually looking for Perki?
i disagree strongly about the hype for planting in threes, etc. All perennials grow so quickly and within a year or two they have enough impact as individuals....you have the option of dividing those you esp like anyway. For example, rudbeckias spread well.
you have, as I said, some lovely plants there though Perki