A winter garden is a place where you can enjoy the beauty of nature even in the colder months of the year. There are many synonyms for the term "winter garden", including conservatory, greenhouse, glasshouse, and indoor garden. These synonyms all refer to a space where plants can be grown indoors in a controlled environment. Another term for a winter garden is an orangery, which is historically a place where citrus trees were grown in colder climates. Whatever you call it, a winter garden provides a perfect retreat from the harsh winter weather and a year-round source of greenery and foliage.