Alternanthera dentata is a tropical perennial typically grown as an annual, known for its colorful foliage that ranges from burgundy to purple. Genus name comes from the Latin words alternans meaning alternating and anthera meaning anther. Alternate anthers in the genus are barren. Specific epithet means toothed for the toothed leaves. Alternanthera dentata like rich, consistently moist, and well-drained soil. It has best leaf color when in full sun. Pinch stem ends to promote compact bushiness.