Falsecypress, Golden Mops Threadleaf Overview Category: Evergreens Common Name: Falsecypress, Golden Mops Threadleaf Botanical Name: Chamaecyparis pisifera 'Golden Mops' Sun Exposure: Full sun Height: 10-15 in. Spread: 3-4 ft. See notes | Back to evergreens Notes Yellow, scale-like foliage covers the thin, pendulous (mop-like) stems with a relatively low, semi-weeping habit. Matures slowly. Retains its color best when planted in full sun. A lovely and different accent plant.