|This cultivar 'Green Diamond' is dark green with some white to blue variegation. It is conical in shape and has fan-like foliage that is quite congested. It typically has blunt, paired leaves with 'X' markings underneath. This plant enjoys full sun and moist soil in a cooler climate. Good plant for landscape use.
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.