What we call radiator plants are species belonging to the genus Peperomia. They're not-so-distant relatives of the plants that produce the kitchen staple black pepper. These are heat-loving plants native to tropical and subtropical regions. Radiator plants vary in appearance, though many have small, flat leaves, and thick stems. They're generally compact plants and slow-growing, making them good choices for indoor gardening, hanging baskets, and greenhouses.
Peperomia species are grown for their attractive and vibrant ornamental foliage, which comes in an array of shapes and colors. Often, their leaves are rounded and shaped like hearts, though some have elongated, pointed leaves. Much of the foliage of Peperomia species is bright green, but it can also be striped, spotted, or marbled. Some also produce flowers and berries. Unlike many houseplants, peperomia are considered non-toxic to pets, another great reason to grow them.
Sunlight: Bright, indirect light is best. Direct sunlight can scorch the leaves of peperomia, but low light will slow growth considerably
Watering: Peperomia is fairly drought tolerant and many species prefer completely drying out before watering. A good rule of thumb is to water your plants once the top 2 inches of soil have dried.
