Oxeye daisy and other roadside flowers

The wild oxeye daisy, Leucanthemum vulgare, blooms weeks ahead of its cultivated hybrids, so I have a bed of them in the garden. They seed into the lawn, which is a nuisance, but they do look lovely in early spring. At this time of year the roadsides are decorated with cow parsley and red campion, making a pretty show when mixed with bright yellow oilseed rape.