Rosa 'Tannacht' syn. Rosa 'Blue Moon', Rosa 'Blue Munday', Rosa 'Sissi', Rosa 'Navo-Rose', Rosa 'Mainzer Rad', Rosa 'Mainzer Fastnacht', Rose 'Blue Moon' (Hybrid Tea) - uploaded by @grandmagizzy
Blue Moon (Bush Rose) | Peter Beales Roses - the World Leaders in Shrub, Climbing, Rambling and Standard Classic Roses
Photo of the bloom of Rose (Rosa 'Blue Moon') posted by rannveig - Garden.org
Rosa 'Blue Moon' (Tannacht), a fragrant hybrid tea rose, flowering in an English garden border in summer (June Stock Photo - Alamy