Carnation (Dianthus caryophyllus)

Carnation

Dianthus caryophyllus

Its ruffled blooms carry a spicy, clove-like scent, a classic cut flower. Herbaceous perennial; common names: carnation, clove pink.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; 6–8 hours of direct sunlight daily for optimal blooming; tolerate light shade in hot summer climates
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Watering Water deeply when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot and fungal growth
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Temperature Hardy to -10°C; prefers cool 15–22°C temperatures for blooming; protect from extreme heat above 28°C
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Characteristics

  • Leaf: Narrow, gray-green linear leaves, opposite arrangement, waxy coating to reduce water loss
  • Flower: Ruffled, double blooms in pink, red, white, or yellow; emits a spicy clove fragrance
  • Stem: Slender, rigid green stems with minimal branching
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; water early in the day to minimize fungal risk

Fertilization

Apply balanced diluted liquid fertilizer every 2 weeks. Use a low-nitrogen fertilizer to promote flower production over foliage growth

Eggshell powder top-dress:Crush dried eggshells into a fine powder; sprinkle 1 teaspoon per plant around the base; water gently to release calcium into the soil
Pruning
  • Deadhead spent blooms regularly to encourage continuous flowering through the growing season
  • Cut back stems by half after the first bloom cycle to stimulate new growth and secondary blooms
  • Remove yellowing or damaged foliage to improve airflow and reduce disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA verified: Non-toxic to cats; no reported toxicity symptoms

Humans: Non-toxic to humans; no known adverse health effects from ingestion or contact

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Garden Uses & Culture

Culture: Symbolizes love, fascination, and distinction; widely used in wedding bouquets and funeral arrangements

Usage: Cut flower for floral arrangements, garden ornamental, and potpourri for its long-lasting fragrance