Autumn Thunder

‘Autumn Thunder’ (George Sutton, R. 1999). Seedling H-88. TB, 37″ (94 cm), Early, midseason, late bloom and rebloom. Standards and style arms violet blue (RHS 85A); Falls deep blue violet (86C), darker toward edge; beards methyl violet (85C); ruffled; slight musky fragrance. ‘Star Master’ X ‘Stingray’. Sutton 2000.

https://wiki.irises.org/TbAthruE/TbAutumnThunder