Dieffenbachia image • Photo: Author Krzysztof Ziarnek, Kenraiz• CC BY-SA 4.0
Dieffenbachia oerstedii is a perennial herbaceous plant with a straight stem and simple, alternate leaves featuring distinctive white spots and flecks. It is valued as an indoor foliage plant due to its shade tolerance and tropical appearance. The plant contains needle-shaped calcium oxalate crystals (raphides) that cause temporary numbness and swelling if ingested. Its leaves periodically shed to make way for new growth, and it thrives in warm, humid environments with consistent care.
Plant Care Overview
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Care Guide
Essential requirements for your Dieffenbachia
Light Requirements
Medium, filtered sunlight
Light conditions can affect leaf color and growth rate. Adjust placement as needed based on your plant's response.
Watering Schedule
Twice weekly; keep soil moderately moist with good drainage
Humidity Needs
medium humidity
Always check soil moisture before watering. Adjust frequency based on your home's conditions.
Temperature Range
62–80°F (17–27°C)
Native Climate
Native to New World Tropics from Mexico and the West Indies to Argentina
Keep away from drafts, heaters, and air conditioners which can stress your plant.
Soil Type
Loose, well-aerated, and consistently moist soil
Fertilizer
Balanced houseplant fertilizer during growing season
Consider repotting every 1-2 years to refresh soil nutrients and accommodate growth.
Propagation
Methods to grow more Dieffenbachia plants
Propagation methods for this plant are not available yet.
Plant Info
Characteristics and background information
New World Tropics from Mexico and the West Indies to Argentina
moderate
perennial
Symptoms: Intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing. May cause airway swelling in severe cases.
Toxic parts: All parts, especially stems and leaves. Contains calcium oxalates and proteolytic enzymes.
Fun Fact
Strawberry poison frogs (Oophaga pumilio) deposit 89% of their tadpoles in Dieffenbachia leaf axils, linking the plant's abundance to frog population dynamics.
Troubleshooting
Solutions for typical issues with your Dieffenbachia
Yellowing leaves
Root rot or wilting due to overwatering or underwatering
Varieties
Different varieties of Dieffenbachia
Award-winning cultivar with creamy-white and green variegated leaves.
Popular cultivar featuring large, lush leaves with striking white patterns.
Community Tips
Advice shared by other plant enthusiasts
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Care Guides
Detailed guides for caring for your Dieffenbachia
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