Dieffenbachia

Dieffenbachia seguineAlso known as: Dumb Cane, Leopard Lily

The Dieffenbachia is a striking tropical plant with large, variegated leaves in patterns of green, cream, and white. Native to the tropical Americas, it gets the name 'Dumb Cane' from its toxic sap that causes temporary speechlessness if ingested. Grows 3-6 feet (0.9-1.8 m) tall indoors.

Easy Care

Medium Light

Perennial

Quick Care Summary

Light
Medium Light

Temperature Range
60-80°F (16-27°C)

Ideal Temp
70°F (21°C)

Toxic to Pets

This plant is toxic to cats and dogs if ingested. Keep it out of reach of pets, or consider pet-safe alternatives. Symptoms of ingestion may include drooling, vomiting, or difficulty swallowing.

Seasonal Care Schedule

Adjust your care routine based on the season for optimal plant health.

Watering Schedule

Season	Schedule
Spring	Every 7-10 days, when top inch (2.5 cm) of soil is dry
Summer	Every 5-7 days
Fall	Every 10-14 days
Winter	Every 14-21 days

Keep consistently moist but not waterlogged. Yellow lower leaves indicate overwatering.

Misting Schedule

Season	Schedule
Spring	Weekly
Summer	2-3 times per week
Fall	Weekly
Winter	Weekly, especially with heating

Appreciates humidity. Brown leaf edges may indicate low humidity.

Fertilizing Schedule

Season	Schedule
Spring	Every 2 weeks with balanced liquid fertilizer
Summer	Every 2 weeks
Fall	Monthly
Winter	No fertilizing

Feed during growing season for best variegation.

Pruning

Frequency: As needed

Best Season: Spring

Remove yellowed leaves. Cut back leggy stems to rejuvenate. Wear gloves - sap irritates skin.

Repotting

Frequency: Every 2-3 years

Best Season: Spring

Use rich, well-draining potting mix. Don't overpot - go up 2 inches (5 cm) maximum.

Propagation Methods

Stem cuttings with at least one node
Air layering
Top cuttings can be rooted in water

Common Problems

Yellow lower leaves: Natural aging or overwatering
Brown leaf edges: Low humidity or underwatering
Leggy growth: Insufficient light
Drooping leaves: Needs water or cold damage

Pro Tips

All parts are toxic - keep away from children and pets
Wear gloves when handling to avoid sap irritation
Can be cut back hard to rejuvenate leggy plants
Rotate plant for even growth

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