Botanical name: Buddleja paniculata
Common name: Butterfly bush
Family: Buddlejaceae (Formerly:Scrophulariaceae)
Origin: United States of America
The plant prefers light (sandy), medium (loamy) and heavy (clay) soils, requires well-drained soil and can grow in nutritionally poor soil. The plant prefers acid, neutral and basic (alkaline) soils and can grow in very alkaline soil. It cannot grow in the shade. It requires dry or moist soil and can tolerate drought. It can tolerate atmospheric pollution.
Similar plants: Buddleja paniculata (Butterfly bush)
Link to this plant:
https://toptropicals.com/catalog/uid/buddleja_paniculata.htm