Scientific: Tecoma stans

Common: yellow bells, esperanza, yellow elder

Family: Bignoniaceae

Light: Full sun is required, will grows in an loose, open and rangy manner if shaded even lightly.

Soil: Yellow bells is tolerant of all Arizona soils except those with the highest degree of alkalinity.

Pruning: Prune yellow bells hard in the winter to control height and stiffen upright character.