Description Grevillea 'Honey Barbara' is a shrub that grows to about 3 m tall and 3 m wide. The leaves are finely divided. Bright orange flowers with yellow tips are produced in large clusters up to 15 cm in diameter from April to September. The cultivar is thought to be a hybrid between Grevillea 'Honey Gem'and Grevillea 'Sylvia'. It originated in the garden of Barbara Duckworth near Grafton. It was accepted for registration with Australian Cultivar Registration Authority (ACRA) in January 2009.