Green Thumb: The Easiest Indoor Plants to Grow In Your Home - The cascading greenery of an English ivy is the perfect, subtle touch of nature for your home. And according to WebMD, it’s one of the most air-purifying indoor plants. It’s also a great hostess gift when presented in a pretty basket or vase. English ivy is also easy to care for in your home. They do best in cooler temperatures, and with moist soil.