Green Vase Zelkova, Zelkova Serrate 'Green Vase'
This is an interesting tree because of dark green foliage, vase shaped growth habit and attractive smooth, gray bark, that exfoliates as it matures. The Green Vase zelkova has upright arching branches and is very vigorous becoming tall, up to 45 feet with a 30 foot spread. It is well suited for the urban forest due to good winter hardiness and drought resistance in heavy soils. It is also a great street tree replacement for the American elm since it is resistant to Dutch Elm disease.