Having greenery indoors, at home, and in your living room can improve your environment, freshen your air, and make a room more pleasant and colourful. Houseplant Appreciation Day encourages you to look after your houseplants, to grow and maintain a variety of colourful indoor flowers, and to generally appreciate house plants!
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All details taken directly from provider content at http://www.daysoftheyear.com/days/houseplant-appreciation-day/