Cayenne Pepper (Capsicum annuum var. cayenne)

Cayenne Pepper

Capsicum annuum var. cayenne

Fiery fruits pack bold flavor, a staple of global cuisine. Spicy fruiting herbaceous perennial; common name: cayenne pepper.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Requires 6–8 hours of direct sunlight daily for optimal fruiting; tolerate partial shade in intense summer heat
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Watering Water deeply when the top 2–3 cm of soil feels dry; avoid overwatering to prevent root rot
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Temperature Thrives in warm temperatures between 18–28°C; avoid temperatures below 10°C to prevent leaf drop and stunted growth
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Characteristics

  • Leaf: Simple, ovate to lanceolate leaves with smooth, entire margins; glossy medium green
  • Flower: Small, star-shaped white flowers with 5 delicate petals; borne singly or in clusters
  • Fruit: Slender, elongated pods that ripen from green to bright red or orange; flesh contains pungent capsaicin
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Care Guide

Watering

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

Fertilization

Apply balanced liquid fertilizer every 2 weeks. Cease fertilization in autumn and winter when growth slows

Eggshell powder topdress:Crush dried eggshells into fine powder; sprinkle 1–2 tablespoons around the base of the plant and gently work into the topsoil to prevent blossom end rot
Pruning
  • Pinch back young seedlings to encourage bushy, compact growth
  • Remove dead, yellowing, or damaged leaves to improve airflow and reduce disease risk
  • Harvest mature fruits regularly to stimulate continued fruiting throughout the growing season
  • Trim overgrown stems in early spring to maintain a tidy, productive form
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; capsaicin irritates the digestive and oral tracts

Humans: Ingestion of large amounts may cause oral burning or gastrointestinal upset; contact with eyes or mucous membranes causes irritation

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Garden Uses & Culture

Culture: Symbolizes boldness and warmth in global culinary traditions; associated with festive dishes in many cultures

Usage: Culinary spice for heat and flavor; used in traditional medicine for pain relief and circulation support