Dieffenbachia seguine

Dumb Cane (Dieffenbachia seguine) is a houseplant in the Araceae family, native to Caribbean. It is a medium-light species that thrives between 1000 and 3000 lux. Optimal indoor care calls for watering roughly every 7 days, temperatures of 16–28°C, and about 60% humidity. According to ASPCA data, it is toxic to dogs and cats; reported symptoms include severe oral irritation, intense burning and swelling of mouth and tongue, excessive drooling, respiratory compromise. It is also known as Dumb-cane.

ASPCA Pet Toxicity Determination

Toxic to Dogs? YES (Toxic)

Toxic to Cats? YES (Toxic)

Clinical Symptoms:

Severe oral irritation, intense burning and swelling of mouth and tongue, excessive drooling, respiratory compromise.

Quantitative Care Thresholds

Light Level Profile Medium

Minimum Light Requirement 1000 Lux

Maximum Light Tolerance 3000 Lux

Watering Frequency Every 7 Days

Temperature Envelope 16°C – 28°C

Ideal Ambient Humidity 60% RH

Taxonomic & Field Verification

GBIF Usage Key 2869345

Native Biogeographical Range Caribbean; Galápagos Islands; Oceania; South America

🔬 Verify on GBIF Species Portal