blue England flower garden Great Britain Hebe plant spike Sussex Veronica border flowers gardening path.slate plants shrubs summer animal beautiful butterfly insect invertebrate lady macro macro-photography nature nectar orange painted pollination spots white wings Aster Buddleia butterflies Ceratostigma Cimicifuga Clethra Cotoneaster Helichrysum Hemp agrimony ivy marigold Michaelmas Daisy mint nettles Sedum Vanessa atalanta verbena