Its delicate, lacy foliage sits in graceful layers, Each branch tip turns slightly down, adding a touch of elegance. During the growing season, Siberian cypress is bright green, but with the onset of cold weather its foliage changes to earth-toned purple-brown.It is also useful for slope plantings, growing vigorously and covering large areas. Although it is not a true juniper or a true cypress, it has similar, scale-like needles.