Alchemilla mollis (Lady’s Mantle) is a perennial border classic. it is loved for its beautiful scalloped foliage and its delicate chartreuse-yellow flowers spilling out over the leaves. It’s a great edging plant , tough and easy to grow and an attractive companion to so many perennials. 'Thriller’ is a selected form and is larger plant whose leaves are distinctly green rather than gray-green.
Alchemilla mollis is an easy care perennial that adapts to a wide range of soil conditions except wet sites. It does perform well in clay. It is not drought tolerant and needs to be watered in periods of drought. After flowering a light shearing will freshen up the plant and promote new growth. It dies to the ground completely in the winter so old leaves should be sheared to crown level in the spring. It will grow in full sun but the foliage will look best where there is some protection from the hot afternoon sun.