Schwarze Rose Schwarze Rose Schwarze Rose (August) Schwarze Rose As near to black as we can get. £4.00 Out of stock. According to the breeder "The successful attempt to breed an almost black semp". This stunningly dark variety has been highly praised and won 'Semp of the Year' in 2012. The name translates as 'Black Rose' and you may occasionally see it wrongly named thus. Bred by Hans-Joerg Gensch (D) 2004 Supplied as an established, growing plant in a 9cm pot, like all our plants.