i have a budleia in my garden which i hav let grow quite big its more like a tree now but during the summer its always seems to attract many a butterfly, birds and bumble bees. I have perrenial sunflowers which seems to do the same. Good luck

Aster, Berberis, Buddleia, Cowslip, Echinops, Escallonia, Hyssop, Lavender, Lilac, Marjoram, Origanum, Rosemary, Sage, Sedum and Verbena.

The perrenial, sedum spectabile is great for late summer, early autumn colour [pink] and is a magnet for butterflys etc, julien.