Louise, Ted Hooper's Guide to Bees and Honey has a garden plant list, at the end of ch.10 in the 4th edn. Berberis, cotoneaster, crocus, heathers, hebe, holly, hypericum, lavatera, shrub lonicera, mahonia, michaelmas daisies and other compositae, ribes, snowdrop, thyme, willow; his wild plant...