Giant Philodendron (Philodendron maximum)

Giant Philodendron

Philodendron maximum

Its broad, lush leaves bring tropical depth to indoor spaces. Large evergreen climbing foliage plant; common name: Giant 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 to prevent leaf scorching; tolerates low light conditions for short periods
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Watering Water thoroughly when the top 2–3 cm of soil dries out; avoid overwatering to prevent root rot
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Temperature Thrives at 18–27℃; maintain temperatures above 12℃ in winter to avoid cold damage
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Characteristics

  • Leaf: Large heart-shaped glossy dark green leaves up to 1 m long; leathery texture
  • Stem: Thick vining stem with aerial roots for climbing and nutrient uptake
  • Inflorescence: Pale green spathe enclosing a spadix (rarely produced indoors)
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Care Guide

Watering

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

Fertilization

Diluted balanced liquid fertilizer every 4 weeks. Avoid fertilizing in winter when the plant enters dormancy to prevent nutrient buildup

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 24 hours, then dilute 1:20 before applying to soil to avoid root burn
Pruning
  • Trim yellowing or damaged leaves at the base to maintain plant health and improve airflow
  • Train vines to climb a moss pole or trellis by tying aerial roots to the support structure
  • Trim overgrown stems in early spring to control size and encourage bushier new growth
  • Remove dried, brown aerial roots to keep the plant looking tidy without harming growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; may cause drooling, vomiting, oral pain, and difficulty swallowing

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

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Garden Uses & Culture

Culture: Symbolizes tropical warmth and lush vitality; a popular choice for modern interior design

Usage: Ornamental indoor foliage plant; used as a climbing accent in large indoor or shaded outdoor spaces