We have the purple heart plant (Tradescantia pallida) growing on a rock in the corner of our yard; it is also known as purple queen and wandering Jew.
The purple heart blooms all year round, but its flowers are sterile. The plant is also very fragile and breaks easily, however, it grows quickly from leaf and stem cuttings. Although the purple heart plant is considered to be an invasive weed in some areas, it is ideal for a ground covering and can be grown indoors.
When the purple heart plant is grown indoors, it is very effective at improving indoor air quality by a process known as phytoremediation (which means “restoring balance”).
By phytoremediation, the purple heart plant filters out volatile organic compounds, common pollutants and respiratory irritants such as metals, pesticides, solvents, explosives, and various other contaminants in the air.