We moved house earlier this year and now have a very large rear garden which is a lot of work, so I decided to have the small front garden re-designed to make it a little easier on my back, as i was struggling to keep up with it all. The gardener has reduced the amount of flower beds by putting sleepers in and then gravelling the centre section, which is much better and should be easier to manage. Since this photo I have put a few pots on the gravel with winter pansies and viola, and tulips underneath (lasagne planting), but I'm looking for ideas for plants which I can fill the beds with, which will offer good cover and also great colour throughout the spring/summer (favourite colours are blues/lilacs/pinks). The garden is south-west facing. Any suggestions would be most appreciated.