[1] Large, well-displayed "brushes" are produced in late spring, with further flowering sometimes occurring at other times.

[2] In 1970 it was promoted under the name 'Endeavour' to mark the bicentennial of James Cook's voyage to Australia on the Endeavour.

[1] It was registered under the name Callistemon 'Splendens' with the Australian Cultivar Registration Authority in 1989.

[1] This plant has gained the Royal Horticultural Society's Award of Garden Merit.

[3] The cultivar is most suited to climates ranging from temperate to sub-tropical.