|The cultivar, 'Ericoides' is an unusual evergreen shrub forming a softly rounded pyramid with age. Sparkling steel-blue foliage changes to plum-purple in cold weather. Plant in full sun for best growth. Hardy in zone 3b. Grows to a height of 5 feet tall and 4 feet wide. Keep moist until completely established. Prefers constantly moist soil. Fertilize in spring just before new growth begins. No pruning is needed.
C. obtusa is a medium large evergreen, under cultivation it usually does not exceed 40 to 50 feet tall, but with age will grow height. Has a spread of 15 to 30 feet. Has a spreading, irregular, open form with dark glossy green foliage. Very slow growing and is suited principally to a large oriental garden. Splendid bonsai subject. Prune to shape.