Western Australian Flowering Gum. Planted it a few years ago. Fluoro orange as bright as Dutch soccer team : r/melbourne

Eucalyptus ficifolia (Western Australian Flowering Gum) - Mallee Native Plants

Flowering gum trees

Red flowering gum

Fertilizing Orchids - Garden & Greenhouse

Red Flowering Gum

Corymbia ficifolia 'Baby Orange' - Grafted Flowering Gum - Trees

Flowering Gum Baby Orange

Red flowering gum

Corymbia ficifolia grafted 'Orange Splendour Flowering Gum