Astrantia major subsp. involucrata‘Gill Richardson’ is an upright, herbaceous perennial plant that prefers a moist environment. It is clump-forming. 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 blooms with 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 when they appear and later turn a deep green. It prefers cool summers.
How to grow Astrantia major subsp. involucrata‘Gill Richardson’:
Grow Astrantia major subsp. involucrata‘Gill Richardson’ in the sun or partial shade. Plant it 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. It is deer-resistant. It is disease-free. Astrantia ‘Gill Richardson’ provides weeks of flowering a nice addition to any border.