Lady39s mantle is a low growing hardy perennial best suited to the edges of borders it grows in clumps spreading quickly to provide good ground cover furthermore during the summer season it produces unusual lime45green flowers the sweet nectar of these blooms attracts bees and butterflies making the plant a useful addition to wildlife gardens after rainfall it39s easy to see why this alchemilla mollis is named 39thriller39 for raindrops rest on its fan45shaped leaves