Oxforduni, I agree with joclyn. Grape Hyacinth, Muscari. Will naturalize almost as well as do the wood Hyacinths (Blue Bells in England). Blankets of blue at the forests edge or in a field. Pinus of some sort maybe one of the mugo's. Some of them grow slowly and lowly. Definetly Vinca. Minor or Major depends on leaf size. Both of them naturalize VERY well. Can be envasive. But, again a green and blue mound at the verge of a forest or an open area. Have fun! barb