Peace Lily also know as Spath or Spathyphillum is one of the most popular indoor plants.
The main reason for this popularity as a home plant and as an office plant is that the Peace Lily likes medium light level and will tolerate well very low light levels but also it will prefer being under-watered than over-watered... Basically forget Peace Lily in a dark and dry corner and it will still strive and shine.
You should also know that Peace Lily is a perfect plant for cleaning the air, it has been proven by NASA that it can break down some of the toxic gases in the air.
So now that we have determined that a Peace Lily can be forgotten in a corner and that it will still do a great job of being a air purifier as well as keeping nice green foliage you might want to consider giving it a bit of Love...
Let's start with fertilizing, feeding your Peace Lily is an option but if you want to encourage blooming you should definitely think about it. Don't worry it's quite simple, quite in the image of the care this plant needs... Fertilize with a balanced ratio fertilizer (like N20-P20-P20) half or quarter diluted during the growth season. Honestly if you fertilize your Peace Lily three times in a year it's plenty enough, best to fertilize it when it's starting to bloom. Remember to water after fertilizing to make sure that it gets through the roots.
If you are finding that your Peace Lily does not bloom maybe try to bring it to a less dark corner, no direct sunshine but a lit