When comparing Peace lily vs Song of India, the Slant community recommends Song of India for most people. In the question“What are the best indoor plants?” Song of India is ranked 3rd while Peace lily is ranked 4th. The most important reason people chose Song of India is:
Though it prefers humidity and bright indirect sunlight, *D. marginata* remains healthy in most room conditions. It should be watered only when the top of the soil is completely dry.
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Pros
Pro Filters airborne toxins
Spathiphyllum was found effective for filtering benzene, formaldehyde, trichloroethyline, xylene, toluene and ammonia from its environment by the 1989 Nasa Clean Air Study.
Pro Low upkeep
Peace lilies prefer shade, and will grow under incandescent bulbs. They need water infrequently, and recover well if watering is delayed.
Pro Survives with very little upkeep
Though it prefers humidity and bright indirect sunlight, D. marginata remains healthy in most room conditions. It should be watered only when the top of the soil is completely dry.
Pro Non-toxic to humans
Plants in the Dracaena genus are considered non-toxic and safe to humans.
Pro Filters airborne toxins
Dracaena marginata was found effective for filtering benzene, formaldehyde, trichloroethyline, xylene and toluene from its environment by the 1989 Nasa Clean Air Study.
Cons
Con Moderately toxic
Spathiphyllum contains calcium oxalate, a severe irritant. Some individuals may suffer skin rashes from handling the plant. Ingestion causes burning and swelling of the mouth and throat, as well as nausea and vomiting. In pets, this can progress to kidney failure if left untreated. (Note that Spathiphyllum is not a true lily, and rarely lethal to pets.)
Con Prefers moderate upkeep
Though D. marginata will survive most indoor environments, a lush and healthy plant requires good light and daily misting, and should be repotted anually.
Con Mildly toxic to pets
Though unlikely to cause permanent harm, ingestion of Dracaena species causes vomiting and diarrhea in cats and dogs which can persist up to 24 hours.