Mexican Orange Blossom (Choisya ternata)

Mexican Orange Blossom

Choisya ternata

Fragrant white blooms glow like tiny citrus stars. Evergreen shrub with glossy foliage; common name: Mexican Orange Blossom.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates light afternoon shade in hot climates to prevent leaf scorch
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Watering Water deeply once weekly in dry periods; allow top 5 cm of soil to dry between waterings to avoid root rot
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Temperature Hardy to -10°C; tolerates moderate summer heat; protect from prolonged extreme frost with mulch
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Characteristics

  • Leaf: Glossy dark green trifoliate leaves; aromatic when crushed
  • Flower: Clusters of star-shaped white blooms; strong citrus-like fragrance
  • Stem: Slender woody stems; light brown bark with peeling texture over time
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Care Guide

Watering

Keep soil consistently moist during active growth phases

Fertilization

Apply balanced granular feed once at the start of growth. Avoid over-fertilizing to prevent excessive foliage growth at the expense of blooms

Eggshell powder top-dressing:Crush dried eggshells into fine powder; sprinkle lightly around base of shrub to boost soil calcium and deter slugs
Pruning
  • Prune lightly after spring flowering to maintain a compact rounded shape
  • Remove dead, damaged, or crossing stems in early spring to improve airflow
  • Thin overcrowded branches to encourage better light penetration and bloom production
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; no adverse effects from ingestion or contact

Humans: No known toxic compounds; safe for human handling and ingestion in small amounts

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Garden Uses & Culture

Culture: Symbolizes warmth and cheerful fragrance in cottage and Mediterranean garden design

Usage: Ornamental garden shrub; informal hedge plant; cut flower for small fragrant arrangements