Rainbow Peperomia, Ginny Peperomia, Baby Rubber Plant. Pretty variegated leaves grace Peperomia Ginny. Also known as Tricolor or Rainbow, the parent species radiator plant hails from the West Indies and Venezuela. It is an herbaceous tender perennial and a very popular houseplant. This cultivar has an upright growth habit and large leaves make it a good choice for containers. Ginny has thick elliptical leaves which are medium green edged in creamy white blushed with rosy-pink.