Pachyphragma macrophyllum - I fell in love with this groundcover in the woodland at Beth Chatto’s and now have it tucked into a shady spot next to my front door. Toughs it out in dry shade and spreads happily in moister conditions via self-sowing (but seedlings are easy to remove). Rounded evergreen leaves, no matter the weather, and beautiful white Brassicaceae flowers in spring. Shade to part shade, low water, height 45 cm.