Philodendron maximum

Philodendron maximum Houseplant Care Guide

Updated 2026-04-26by Hyunsoo Cho1 min read

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Summary

Philodendron maximum is a beautiful aroid known for its large, impressive leaves. This guide will help you provide the right conditions for this tropical plant to flourish in your home. Discover its light, water, and soil needs to ensure a happy plant.

Care facts

Care requirements for Philodendron maximum
Lightbright-indirect
WaterWater when the top inch or two of soil feels dry to the touch.
Humidity50-70%
Temperature18-24C
SoilA well-draining potting mix is essential. Use a blend of peat moss, perlite, and orchid bark to ensure good aeration and prevent waterlogging.
ToxicityHumans: Contains calcium oxalate crystals, which can cause irritation and swelling if ingested.Pets: Toxic to cats and dogs. Ingestion can cause oral irritation, drooling, vomiting, and difficulty swallowing.

Overview

Philodendron maximum is a striking tropical plant prized for its large, deeply lobed leaves. It brings a lush, jungle-like feel to any indoor space. With the right care, it can become a magnificent specimen plant.

Care Priorities

Provide bright, indirect light, avoiding direct sun which can scorch its leaves. Maintain consistent moisture, allowing the soil to dry slightly between waterings. High humidity is also beneficial for this tropical native.

Common Problems

Yellowing leaves can indicate overwatering or poor drainage, while brown, crispy edges may signal low humidity or underwatering. Pests like spider mites and mealybugs can also be an issue if not managed promptly.

Plant profile

Origin

Native to the tropical rainforests of South America.

Mature size

Can reach up to 3-5 feet tall and wide indoors.

Growth rate

Moderate

Fertilizer

Feed with a balanced liquid fertilizer diluted to half strength every 4-6 weeks during the spring and summer growing season. Do not fertilize in fall or winter.

Propagation

stem-cutting, air-layering

Common names

Philodendron maximum

Common issues

Pests

Spider mites, Mealybugs, Aphids, Fungus gnats

Diseases

Root rot, Leaf spot, Bacterial blight

Frequently asked questions

What kind of light does Philodendron maximum need?

It thrives in bright, indirect light. Avoid direct sunlight, which can burn its leaves.

How often should I water my Philodendron maximum?

Water when the top 1-2 inches of soil feel dry. Ensure good drainage to prevent root rot.

Why are my Philodendron maximum leaves turning yellow?

Yellow leaves often mean the plant is overwatered or has poor drainage. Check the soil moisture and ensure the pot has drainage holes.

How can I increase humidity for my plant?

You can mist the leaves regularly, place the pot on a pebble tray filled with water, or use a room humidifier.

Sources