Mexican orange blossom A well known, robust shrub, and a cousin of the common citrus tree, Choisya ternata is a rounded evergreen shrub with dense glossy aromatic foliage. Abundant clusters of scented white flowers in Spring with occasional repeat flowering later. It is an excellent choice for urban landscape planting or shrubby borders. Loved by bees. Site: Requires some shelterSoil: Any well-drained soilPosition: Full sun, some shadeSeason of Interest: Spring flowers, Attractive evergreen foliage Hardiness: Hardy Height: 6ft (1.8m) Spread: 6ft (1.8m)