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Dieffenbachia: large leaves, watering and safety

Dieffenbachia. Its large leaves make water stress, cold damage and pests easier to notice.

Dieffenbachia

Light

Bright, indirect light; harsh sun may scorch the leaves.

Watering

Water after the surface has lightly dried and ensure free drainage.

Soil

A fertile, free-draining mix that holds moderate moisture.

More useful detail

Care over time

Rhythm through the year

New leaves usually appear faster in bright, warm months. In lower light, water more cautiously.

Growth and repotting

A leggy stem can be rejuvenated during active growth, but the irritating sap calls for gloves and a clean tool.

Plant

A simple care routine for Dieffenbachia

  1. 1

    Check the mix below the surface.

  2. 2

    Move it away from cold glass and draughts.

  3. 3

    Clean the leaves with gloves and inspect underneath.

Observation

Changes worth checking

  • Successive lower leaves turning yellow
  • A soft stem base
  • Fine pale marks under leaves
Important

Dieffenbachia sap is strongly irritating if touched or chewed. Keep the plant away from children and pets, and wear gloves when pruning.

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Related guides and features

Library Plant care library Practical plant profiles for light, watering, soil and the changes worth watching. Read the guide → Library Plant problems Yellow leaves, brown spots and root problems: learn what to inspect first and how to avoid making the situation worse. Read the guide → Feature Plant care and garden planner Florli brings plants, places, work history and weather into one focused list for today and the days ahead. Read the guide →
Sources and further reading: NC State Extension: Dieffenbachia

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Prepared by Florli. This is general guidance. Sources are listed with each guide, and every decision should reflect the species, location, weather and the plant’s current condition.