Philodendron ichthyoderma

Philodendron ichthyoderma: Care Guide for a Unique Houseplant

Updated 2026-04-26by Hyunsoo Cho1 min read

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Summary

Philodendron ichthyoderma, also known as the 'Fish Scale Philodendron,' is a unique aroid prized for its textured leaves. This guide will walk you through its basic needs for light, water, and soil to ensure it flourishes in your home.

Care facts

Care requirements for Philodendron ichthyoderma
Lightbright-indirect
WaterWater when the top 1-2 inches of soil feel dry to the touch.
Humidity50-70%
Temperature18-24C
SoilA well-draining potting mix is essential. Use a blend of peat moss or coco coir, perlite, and orchid bark to provide aeration and prevent compaction.
ToxicityHumans: Contains calcium oxalate crystals, which can cause irritation and swelling if ingested.Pets: Toxic to cats and dogs due to calcium oxalate crystals. Ingestion can cause oral irritation, drooling, vomiting, and difficulty swallowing.

Overview

Philodendron ichthyoderma is a striking plant with leaves that resemble fish scales, offering a unique texture to any indoor jungle. Its vining habit makes it suitable for hanging baskets or climbing supports. This aroid thrives in conditions that mimic its native tropical environment.

Care Priorities

Provide bright, indirect light and consistent moisture without waterlogging the soil. Maintain moderate to high humidity levels and average room temperatures. Use a well-draining potting mix and fertilize during the growing season.

Common Problems

Yellowing leaves can indicate overwatering or poor drainage. Brown, crispy leaf edges may signal low humidity or inconsistent watering. Pests like spider mites and mealybugs can infest the plant if conditions are not optimal.

Plant profile

Origin

Native to the tropical rainforests of South America.

Mature size

Can reach up to 2-3 feet in height and spread indoors.

Growth rate

Moderate

Fertilizer

Feed with a balanced liquid fertilizer diluted to half strength every 2-4 weeks during the spring and summer growing season. Do not fertilize in fall or winter.

Propagation

stem-cutting, division

Common names

Fish Scale Philodendron

Common issues

Pests

Spider mites, Mealybugs, Aphids

Diseases

Root rot, Leaf spot

Frequently asked questions

What kind of light does Philodendron ichthyoderma need?

This plant prefers bright, indirect light. Avoid direct sunlight, which can scorch its leaves.

How often should I water my Fish Scale Philodendron?

Water when the top 1-2 inches of soil are dry. Allow excess water to drain completely.

Why are my Philodendron ichthyoderma leaves turning yellow?

Yellow leaves are often a sign of overwatering or insufficient light. Check your watering schedule and ensure it's receiving adequate indirect light.

Can I propagate Philodendron ichthyoderma?

Yes, you can propagate this plant through stem cuttings or by dividing the root ball when repotting.

Sources