Calamondin Orange (Citrofortunella microcarpa)

Calamondin Orange

Citrofortunella microcarpa

Tiny citrus fruits pack bright tartness, a compact ornamental edible. Dwarf evergreen citrus shrub; common names: calamondin, calamansi.

Full sun
2–3/week
Moderate
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Plant Needs

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Sunlight Requires 6–8 hours of direct sunlight daily for fruiting; tolerate partial shade in extreme summer heat
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Watering Water thoroughly when the top 2–3 cm of soil dries; avoid waterlogging to prevent root rot
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Temperature Thrives at 18–27°C; tolerate brief dips to 10°C, but avoid frost exposure
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Characteristics

  • Leaf: Glossy dark green oval leaves with aromatic citrus scent when crushed
  • Flower: Small white star-shaped blooms with sweet citrus fragrance
  • Fruit: Tiny 2–4 cm orange-colored citrus fruits with tart, acidic flavor
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; increase frequency in hot dry periods

Fertilization

Diluted citrus fertilizer every 2 weeks. Cease fertilization in autumn and winter when growth slows

Eggshell powder top dressing:Crush dried eggshells into fine powder; sprinkle 1–2 tbsp on soil surface and gently work into top layer; avoid direct contact with stems to prevent irritation
Pruning
  • Prune in late winter to maintain compact shape; remove dead or crossing branches
  • Thin overcrowded growth to improve airflow and light penetration for fruiting
  • Pinch back new growth tips to encourage bushier habit and more fruiting wood
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic; no adverse effects reported from ingestion

Humans: Fruits are edible; no toxic compounds present in foliage or fruit

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Garden Uses & Culture

Culture: Symbolizes prosperity in Filipino household traditions

Usage: Edible fruits for beverages, jams, and garnishes; ornamental container plant