Calliope Geranium (Pelargonium Calliope)

Calliope Geranium

Pelargonium Calliope

Vibrant ruffled blooms cascade like living confetti. Compact flowering perennial; common name: Calliope geranium.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerate 6–8 hours of direct daily sun, with afternoon shade in extreme summer heat
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Watering Allow the top 2–3 cm of soil to dry completely between waterings to prevent root rot
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Temperature Thrives at 15–25°C; protect from frost below 10°C and avoid prolonged exposure to temperatures above 32°C
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Characteristics

  • Leaf: Round to kidney-shaped, fuzzy texture, slightly serrated margins
  • Flower: Dense clusters of double, ruffled blooms in red, pink, white, or bicolor shades
  • Stem: Succulent green to reddish-brown stems with trailing or mounding growth
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Care Guide

Watering

Keep soil evenly moist but not waterlogged; water when top 2 cm of soil is dry

Fertilization

Diluted balanced liquid feed every 2 weeks. Cease fertilization in winter when the plant is dormant

Banana peel compost tea:Compost banana peels for 2 weeks, steep in water for 24 hours, dilute 1:20 for root drench; avoid using raw peels to prevent pest infestations
Pruning
  • Deadhead spent blooms regularly to encourage continuous flowering throughout the growing season
  • Pinch back stem tips in early spring to promote bushy, compact growth
  • Trim leggy stems in mid-summer to maintain desired shape and improve airflow
  • Remove yellowing or damaged leaves to reduce disease risk and maintain plant health
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic due to geraniol and linalool; may cause vomiting, diarrhea, and dermatitis

Humans: Mild oral irritation and nausea if ingested; skin rash with prolonged contact

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Garden Uses & Culture

Culture: Symbolizes cheer and friendship; popular for festive container displays

Usage: Ornamental for hanging baskets, window boxes, and garden borders