12-18" tall x 18-24" wide. Coreopsis 'Zagreb' is a superior flowering perennial that grows readily in a wide range of garden conditions. It begins blooming in late spring covering itself with large brilliant golden-yellow flowers into the summer. Shear back after the first flush of flowers to encourage re-blooming later in the summer. Zagreb Whorled Tickseed spreads gently by rhizomes and has attractive finely textured bright green foliage. With good resistance to browsing deer, the plant is easy-to-grow and is well adapted across much of the country. Named after the Croatian capital of Zagreb.