Description Banksia 'Giant Candles' is a large shrub growing to about five metres tall. The leaves are narrow and about 4 cm long. It has very large showy cylindrical spikes of orange flowers that grow to 40 cm long. Flowering is from late autumn to winter. This cultivar is a hybrid between Banksia ericifolia (Heath-leaved Banksia) and a form of Banksia spinulosa.