Rheingold Cedar Thuja occidentalis ‘Rheingold’ Description Dwarf dense golden-bronze foliage.Growth Habit: Compact, globe-shape, becoming conical as maturesMature Height: 3’ to 4‘ (90cm to 120cm)Mature Spread: 2.5’ to 3’ (75cm to 90cm)Growth Rate: Slow More Details Sun Exposure: Full sun to partial shadeCold Hardiness Zone: 3Sensitive to winter burn in wide open spaces Low tolerance to salt sprayTolerate moist soilLandscape Use: Foundation planting. Garden accent especially in a rock garden.