Boyce Tankersley recommended colored-leaf heucheras with COlchicum, and this is pretty -- I have several such combinations in the garden. However, you have to propagate a lot of the heuchera (or spend a lot at the garden center) to get an effective ground cover out of it. I think the sedum and also the Phlox subulata that Boyce recommends might suffer from the dying colchicum foliage flopping over on their mats, though. Phlox subulata does not die back in winter here as it apparently does for Boyce in Chicago; in the Northwest it is evergreen. Here we mostly grow the smaller selections, suitable for rock gardens. If you can find a medium-sized sort of geranium that is sterile, such as G. x cantabrigense 'Biokovo', this works well with colchicums also. Some of the G. renardii selections and hybrids are not invasive and have pretty, soft grayish foliage; they do not seed here. Their full growth tends to arrive just as the colchicum leaves are falling over. Of course, most of you probably cut off the colchicum leaves as soon as possible to keep your gardens neat, but I rarely get to it, except in the most noticeable positions! Jane McGary Northwestern Oregon, USA