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Mexican Orange Blossom, Mexican Mock Orange 'Aztec Pearl'

Choisya x dewitteana

Family: Rutaceae (roo-TAY-see-ee) (Info)
Genus: Choisya (CHOY-see-uh) (Info)
Species: x dewitteana
Cultivar: Aztec Pearl
Hybridized by Moore
Registered or introduced: 1984



Foliage Color:


Bloom Characteristics:

Flowers are fragrant

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Grow outdoors year-round


4-6 ft. (1.2-1.8 m)


4-6 ft. (1.2-1.8 m)


USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Full Sun



Bloom Color:

White/Near White

Bloom Time:

Mid Spring


Grown for foliage



This plant is resistant to deer

Other details:

Unknown - Tell us

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

7.9 to 8.5 (alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

From semi-hardwood cuttings

Seed Collecting:

Unknown - Tell us


This plant has been said to grow in the following regions:

Carlsbad, California

Ceres, California

San Francisco, California

Grand Rapids, Michigan

North Bend, Oregon

Portland, Oregon

Bellevue, Washington

Black Diamond, Washington

Kenmore, Washington

Vancouver, Washington

show all

Gardeners' Notes:


On Nov 4, 2013, RosinaBloom from Waihi,
New Zealand (Zone 1) wrote:

Choisya ternata Aztec Pearl (Mexican Orange Blossom) has clusters of fragrant white flowers that are pink tinged when in bud. They don't mind coastal conditions, and grow well almost anywhere.


On Jul 17, 2011, Kitte from San Francisco, CA wrote:

Have this growing in a large pot under a balcony & it only gets a bit of dappled sun. Perhaps that's why the leaves are dark green. It's a bit droopy & not very happy looking but nowhere near death either.

Last year when it was sunnier & warmer here in SF, it had a ton of fragrant white flowers. My mom's Choisya ternata gets tons of bees, but no bees on mine.

Slightly acidic soil. Deep infrequent watering.


On Feb 23, 2007, saya from Heerlen,
Netherlands (Zone 8b) wrote:

Raised by ex-Hillier (Hillier Nurseries) propagator Peter Moore in 1984. RHS has rewarded it with AGM.

Choisya (all) are my favorite shrubs! Aztec Pearl looks healthy and green all the year and it carries scented flowers twice a year. Its scent can be described as a strong scent of hawthorne. It tolerates my lime soil very well and it has prooved to be hardy enough for my climate. It survived several relative harsh winters with a lot of snow and freezes down to -20c for weeks without a blink. The shrub has benefits of pruning after (!) flowering. It keeps it compact and it will reward you with a second flush of flowers at the end of summer. According my experience the better you trim the tops after flowering, the better it will flower again. By that it will be covered with f... read more


On Jan 2, 2006, growin from Beautiful, BC (Zone 8b) wrote:

Upright evergreen shrub that prefers full sun, well drained and organic mixed soil. Fine textured foliage is preferred over C. ternata. Responds well to pruning.