Flowers , produced in pendent panicles throughout summer , are 20 -- 26 millimetres ( 0.8 -- 1.0 in ) in diameter .
Are usually orange or orange -- red with yellow anthers .
Flowers , produced in pendent panicles throughout summer , are 20 -- 26 millimetres ( 0.8 -- 1.0 in ) in diameter , and are usually orange or orange -- red with yellow anthers .