Basic Sowing Information for the Species Common/Latin Name: Lady's Mantle Type: Hardy Perennial Temperature: 18°C 2-4 weeks then cold frame - 4 to + 4°C for 4-6 week Cover: Do not cover Date: Sow spring Advice: After initial period in cold frame optimum temp is between 5-12°C Sow October to March in cold frame Can be sown Spring and Summer