|A large growing, deciduous conifer, which may reach heights of 100 feet and 25 feet wide. 'Sheridan Spire' has a more upright growth than typical of the species. A fast grower, reaching 50 feet in just 15 or 20 years. This tree, because of its scale, is best suited to large parks, open lawns, golf courses, or lining streets. Soil sould be moist, deep, and slightly acid. Site on tops of hills, never in low valleys where cold may settle. Spherical male cones are pendant.