Lemon Tree (Citrus Limon)

Lemon Tree

Citrus Limon

Glossy evergreen foliage carries zesty citrus fragrance. Small fruiting tree; common name: lemon.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Requires full sun exposure for optimal fruiting; tolerates partial shade but may reduce flower and fruit production
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Watering Water deeply when the top 5–7 cm of soil feels dry; avoid waterlogging to prevent root rot and fungal growth
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Temperature Thrives in 18–24°C; protect from frost below 10°C to prevent leaf browning and branch damage
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Characteristics

  • Leaf: Glossy, elliptical evergreen leaves with serrated margins and aromatic oil glands
  • Flower: Fragrant white five-petaled flowers with purple stamens, borne in clusters
  • Fruit: Oval yellow citrus fruit with juicy, acidic pulp and textured, oil-rich rind
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Care Guide

Watering

Keep soil consistently moist but not soggy; increase watering frequency during hot, dry spells

Fertilization

Feed with diluted balanced citrus fertilizer every 2 weeks. Discontinue fertilization in autumn and winter when growth slows to avoid nutrient buildup

Eggshell powder top dressing:Crush fully dried eggshells into fine powder; sprinkle 1–2 tbsp on soil surface and gently work into top layer to avoid stem contact
Pruning
  • Remove dead, diseased, or crossing branches in late winter to improve airflow and light penetration
  • Thin overcrowded inner foliage to promote sunlight access for fruiting branches
  • Prune to maintain desired shape after fruiting; avoid heavy pruning that reduces next season's flower buds
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic due to psoralens and essential oils; may cause vomiting, diarrhea, drooling, and depression

Humans: Excessive ingestion may cause stomach cramping or nausea; prolonged skin contact with rind oils can cause mild redness or irritation

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Garden Uses & Culture

Culture: Symbolizes purification, positivity, and freshness in Western and Mediterranean cultural traditions

Usage: Edible fruit for culinary applications; essential oils for aromatherapy and household cleaning; ornamental foliage and fragrant flowers