Is the Heartleaf Philodendron Edible? A Guide to Toxicity and Safety
                                
                                
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                                    4 min read                                
                            
                                Every part of the heartleaf philodendron (Philodendron hederaceum) contains needle-like calcium oxalate crystals, which makes it toxic and not edible for humans or pets. Ingestion can cause immediate and painful irritation, swelling, and other severe symptoms that require medical attention.