Wilhelm Langguth Geranium (Pelargonium 'Wilhelm Langguth')

Wilhelm Langguth Geranium

Pelargonium 'Wilhelm Langguth'

It blooms in cascading magenta clusters, a cheerful trailing accent for windowsills. Trailing ornamental geranium; common name: ivy geranium cultivar.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright direct to partial sunlight; tolerate mild afternoon shade in hot climates
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Watering Water thoroughly when top 2-3 cm of soil is dry; avoid overwatering to prevent root rot
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Temperature Thrives in 15–25℃; protect from frost below 10℃
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Characteristics

  • Leaf: Glossy, ivy-shaped, medium green leaves with smooth margins
  • Flower: Dense clusters of double magenta-pink blooms, ruffled petals
  • Stem: Slender, trailing stems that root easily at nodes
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; mist foliage occasionally

Fertilization

Diluted balanced liquid feed every 2 weeks. Stop fertilizing in autumn to prepare for dormancy

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours; dilute 1:20 for root drench
Pruning
  • Deadhead spent blooms regularly to encourage continuous flowering
  • Trim leggy stems in early spring to promote bushier growth
  • Remove yellowing leaves to maintain plant health and airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; no harmful effects on cats

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

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Garden Uses & Culture

Culture: Associated with cheerfulness and summer warmth in decorative horticulture

Usage: Hanging basket ornamental, container garden accent, window box plant