Alchemilla Hardy perennials Lady' Mantle Germiniation temp 60-70F Germ time 3-4 week Sow 1/8 in deep in late winter/early spring or autumn in seed compost. Transplant seedlings when large enough to handle into boxes and then a nursery bed. Plant out in spring or early autumn in ordinary moist well drained soil in the rock garden or the front of the border. They do spread freely in my garden. --