Choisya ternata is a bushy, evergreen shrub commonly called Mexican orange blossom, Mexican orange flower or Mexican orange due to the resemblance between their flowers and those of orange trees. Originating from southern North America through to Mexico, this species typically reaches around 1.5-2.5m tall and wide. Leaves are dark green and shiny, divided into 3 wide leaflets. Flowers are scented, star-shaped, with 4-7 petals and measure approximately 3-5cm wide. Frequently planted as an ornamental garden plant in mild climates, this species is reasonably frost hardy. It has a Royal Horticultural Society hardiness rating of 4.