Peace lilies suffer from injury or death at temperatures below 60 degrees F. This makes them best suited as houseplants. The plants do best with day temperatures of 68 to 85 degrees F, with night temperatures approximately 10 degrees cooler.
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Angela Nelson is a virtual assistant and freelance writer. She has been publishing online articles since 2008 for GardenGuides, eHow and Answerbag. Nelson has a passion for small business and flower gardening, which is portrayed in her writing.