A Rubber Plant is also known as Ficus Elastica and can grow up to 15 feet tall. If you are looking for an indoor plant that makes a bold statement then the rubber plant is a good choice. It not only purifies the indoor air but also is an attractive low-maintenance plant. This evergreen tropical plant can be grown indoors as an ornamental plant. Keep the plant in a bright well-lit spot that receives indirect sunlight. Avoid direct sun exposure, especially in the afternoon sun otherwise, the leaves will eventually fall off.