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Choisya dumosa (Torr.) Gray
Mexican orange, Starleaf Mexican orange, Zorrillo, Fragrant starleaf
USDA Symbol: chdu
USDA Native Status: Native to U.S.
Mexican orange grows 1-3 ft., but can reach 6 ft. Rounded shrub with finely divided (star-shaped), dark yellow-green, persistent leaves. Axillary clusters of white flowers.
Choisya dumosa is desirable because of its compact size, showy flowers, and persistent, aromatic foliage.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf Retention: Evergreen Size Notes:
Normally no more than 3 feet tall, but can reach 6 feet. Leaf:
Dark Green Flower:
Flower 1 inch
Green Size Class:
Bloom InformationBloom Color: White
Bloom Time: Jun , Jul , Aug , Sep , Oct , Nov
AZ , NM , TX Native Distribution:
Mts. of w. TX to NM, s. to Chihuahua and Coahuila in Mex. Native Habitat:
Hillsides, Slopes, Canyons USDA Native Status: L48(N)
Growing ConditionsWater Use: Low
Light Requirement: Sun , Part Shade
Soil Moisture: Dry
CaCO3 Tolerance: High
Cold Tolerant: yes
Heat Tolerant: yes
Soil Description: Well-drained soils, Sandy, Sandy Loam, Medium Loam, Limestone-based, Igneous, Clay Loam.
BenefitUse Ornamental: Showy, aromatic, attractive form, foliage, and flowers. Can be used as a groundcover or a pot plant.
Use Wildlife: Cover, Nesting site, Nectar-insects
Conspicuous Flowers: yes
Fragrant Flowers: yes
Interesting Foliage: yes
Fragrant Foliage: yes
Nectar Source: yes
Deer Resistant: Moderate
PropagationPropagation Material: Hardwood Cuttings , Seeds , Semi-hardwood Cuttings
Description: Seeds stratifies over winter or semi-hardwood cuttings taken from the tips of the stems. Hardwood cuttings taken in late fall or winter may also be used.
Seed Collection: Collect fruits in late summer or early fall. Do not allow seeds to dry out before sowing or storage. Stratify immediately after collection.
Seed Treatment: After collection, stratify in sphagnum moss in plastic bags at 40 degrees. Soak seeds for 10 minutes in hot water before storing or sowing to eliminate bacteria.
Commercially Avail: yes
Maintenance: If desired, prune after blooming to shape.
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Record Modified: 2009-02-27
Research By: TWC Staff