Abstract: A new cultivar of Rubus idaeus, ‘Koplinberry’, characterized by its trailing plant habit with arching canes that require trellising, its ever-blooming plant habit with floricanes flowering from March to hard frost and primocanes flowering in summer in Atlanta, Ga., its rapidly maturing canes that yield edible fruit in the first season of growth, its long harvest season with non-uniform fruit ripening; lasting from April to November in northern Georgia, its fruit that are borne beneath the foliage, and its leaves that have, primarily, three leaflets and are medium green in color, and its canes that are colored medium green in the shade, red in full sun, and brown near the base.