Long-leaf Philodendron (Philodendron longuifolium)

Long-leaf Philodendron

Philodendron longuifolium

Long, sleek leaves bring tropical calm to indoor spaces. Evergreen climbing foliage plant; common name: Long-leaf Philodendron.

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
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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 18–27°C; avoid temperatures below 12°C which can cause leaf yellowing
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Characteristics

  • Leaf: Narrow, lanceolate leaves up to 60 cm long; glossy dark green with prominent midrib
  • Stem: Slender, vining stem with aerial roots for anchorage
  • Inflorescence: Pale green to white spathe and spadix; rarely produced indoors
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Care Guide

Watering

Keep soil evenly moist but not waterlogged

Fertilization

Diluted balanced liquid fertilizer monthly. Avoid fertilizing in winter when growth slows

Composted banana peel tea:Soak fully composted banana peels in water for 24 hours; dilute 1:20 for root drench to avoid nutrient burn
Pruning
  • Remove yellow or damaged leaves to maintain plant health
  • Trim overgrown vines to control size and encourage bushier growth
  • Tie aerial roots to a support structure to guide 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: Symbolizes tropical vitality and calm indoor ambiance

Usage: Ornamental foliage plant for indoor hanging baskets or climbing supports