Astrantia major subsp. involucrata‘Gill Richardson’ is an upright, clump-forming, herbaceous perennial plant that prefers a moist environment. It is part of the Apiaceae family of plants. It is also known as Masterwort, Masterwort Gill Richardson Group, Astrantia major ‘Gill Richardson’, Astrantia ‘Gill Richardson’, Great Masterwort ‘Gill Richardson, Melancoly Gentleman ‘Gil Richardson’, Hattie’s Pincushion ‘Gil Richardson‘. It produces cherry-red or crimson red flowers in summer, each stem produces umbels of crimson red flowers surrounded by red bracts. After flowering, you can cut it back to the ground and you might be surprised with another round of flowers. The leaves are tinged with red as they appear and then turn a deep green. It prefers cool summers.
Plant Astrantia major subsp. involucrata‘Gill Richardson’ in the sun or partial shade in moist soil such as clay or humus-rich fertile soil. It is wet soil tolerant. It can grow to 90cm or 3ft. Propagate by division in spring. Deadhead Astrantia ‘Gill Richardson’ for a longer flowering season. Watch out for astrantia leaf miner and powdery mildew.
It is easy to grow Astrantia ‘Gill Richardson’ from seed and they are deer-resistant and mostly disease-free. It can produce weeks of flowering a nice addition to borders.