North America Native Plant

Mexican Orange

Botanical name: Choisya

USDA symbol: CHOIS

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Mexican Orange: A Fragrant Native Gem for Southwestern Gardens If you’re looking for a low-maintenance shrub that delivers year-round beauty and heavenly fragrance, let me introduce you to the Mexican orange (Choisya). This delightful native plant might just become your new garden favorite, especially if you’re gardening in the American ...

Mexican Orange: A Fragrant Native Gem for Southwestern Gardens

If you’re looking for a low-maintenance shrub that delivers year-round beauty and heavenly fragrance, let me introduce you to the Mexican orange (Choisya). This delightful native plant might just become your new garden favorite, especially if you’re gardening in the American Southwest.

What Makes Mexican Orange Special?

Mexican orange is a perennial shrub that brings a triple threat of garden goodness: gorgeous glossy evergreen foliage, clusters of sweetly fragrant white flowers, and a naturally compact, rounded form that looks tidy without much fuss from you. The best part? Those amazing flowers can appear multiple times throughout the year, giving you waves of fragrance and beauty.

Where Does Mexican Orange Call Home?

This beauty is native to the lower 48 states, specifically thriving in Arizona, New Mexico, and Texas. It’s perfectly adapted to the challenging conditions of the American Southwest, making it an excellent choice for gardeners in these regions who want to work with nature rather than against it.

Why Your Garden (and Local Wildlife) Will Love It

Mexican orange isn’t just a pretty face – it’s a hardworking member of the garden community. Here’s why it deserves a spot in your landscape:

  • Attracts beneficial pollinators like bees and butterflies with its fragrant blooms
  • Provides year-round structure and color with evergreen foliage
  • Requires minimal water once established – perfect for water-wise gardening
  • Naturally maintains a neat, rounded shape with little to no pruning
  • Serves as an excellent foundation plant, hedge, or border specimen

Perfect Garden Matches

Mexican orange shines brightest in:

  • Desert and xeriscape gardens
  • Mediterranean-style landscapes
  • Native plant gardens
  • Fragrant gardens near patios or walkways
  • Low-maintenance landscapes

Size and Growth Expectations

As a multi-stemmed woody shrub, Mexican orange typically grows to 4-5 meters (13-16 feet) in height, though it’s usually smaller in garden settings. It develops several stems from near the ground level, creating that lovely full, rounded appearance that makes it such a versatile landscape plant.

Growing Conditions and Hardiness

Mexican orange is surprisingly adaptable and forgiving. It thrives in USDA hardiness zones 8-10, making it perfect for most of the Southwest and other warm regions. Here’s what it prefers:

  • Full sun to partial shade (though flowering is best in full sun)
  • Well-draining soil – it really dislikes wet feet
  • Once established, it’s quite drought tolerant
  • Tolerates various soil types as long as drainage is good

Planting and Care Tips for Success

Getting your Mexican orange off to a great start is easier than you might think:

When to plant: Fall or spring are ideal times, giving the plant time to establish before extreme weather.

Planting: Dig a hole as deep as the root ball and twice as wide. Don’t plant deeper than it was growing in the container.

First-year care: Water regularly to help establish roots, then gradually reduce watering frequency.

Ongoing maintenance: Once established, this shrub is remarkably low-maintenance. Light pruning after flowering can help maintain shape, but it’s rarely necessary.

Is Mexican Orange Right for Your Garden?

If you garden in the Southwest and want a beautiful, fragrant, low-maintenance native plant that supports local wildlife, Mexican orange is an excellent choice. It’s particularly perfect if you’re creating a water-wise landscape or want to add structure and fragrance to your garden without the high-maintenance demands of many ornamental shrubs.

The only gardeners who might want to pass on this plant are those in colder climates (below zone 8) or areas with heavy clay soils and poor drainage. But for those lucky enough to garden in its native range, Mexican orange offers the perfect combination of beauty, fragrance, and ecological benefits that make native gardening so rewarding.

Mexican Orange

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Sapindales

Family

Rutaceae Juss. - Rue family

Genus

Choisya Kunth - Mexican orange

Species

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA