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Dieffenbachia care

Dieffenbachia seguine

Thirsty’s starting schedule for Dieffenbachia: about every 7 days. Check the soil and adjust it to your home.

Watering

Water thoroughly, then let the top inch of soil dry before watering again. It is often overwatered, which rots the roots and canes. [1][2][3]

Light

Bright, filtered or indirect light; it tolerates low light but grows slowly. Keep it out of direct sun, though Clemson says bright light, even direct sun, is best in winter. [1][2][3]

Humidity

Sources differ: NC State says it prefers high humidity, while Illinois Extension lists low humidity as best. [1][3]

Soil and potting

A loose, well-drained potting mix rich in organic matter. [1][2][3]

Pets

Toxic to cats and dogs; chewing it can cause intense burning and irritation of the mouth. [4][1]

Sources

1. NC State Extension: Dieffenbachia seguine
2. Clemson Cooperative Extension Home & Garden Information Center: Dieffenbachia
3. University of Illinois Extension: Dieffenbachia
4. ASPCA: Toxic and Non-toxic Plants: Dieffenbachia

This page summarizes the sources above; follow them for the full picture. Light, pot, soil and season all change how fast a plant dries out, so check the soil before you water. Last reviewed October 9, 2026.