Silver Sword Philodendron (Philodendron subhastatum)

Silver Sword Philodendron

Philodendron subhastatum

Glossy silver-green leaves cut sharp like a sword, adding sleek tropical edge. Evergreen climbing foliage plant.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light; avoid direct midday sun which can scorch leaves; tolerates low light for short periods
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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 at 18–27℃; protect from temperatures below 12℃ to avoid leaf damage
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Characteristics

  • Leaf: Hastate (spear-shaped) leaves with silvery-green upper surface and pale green underside; mature leaves develop subtle splits
  • Stem: Slender, vining stem with aerial roots for climbing
  • Inflorescence: Spadix enclosed in a pale green spathe (rarely produced indoors)
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; mist leaves to boost humidity

Fertilization

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

Composted banana peel tea:Steep 1 fully deseeded banana peel in 1 liter water for 3 days; dilute 1:10 before applying to soil; avoid direct contact with leaves to prevent staining
Pruning
  • Trim yellowing or damaged leaves at the base to maintain plant health
  • Cut back overgrown vines to control size and encourage bushier growth
  • Secure aerial roots to a moss pole to support upright climbing growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion leads to drooling, vomiting, oral pain

Humans: Contains calcium oxalate crystals; ingestion causes oral irritation; contact may trigger mild skin redness

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental indoor foliage plant; used in vertical gardens and hanging planters