Snow TowerCornus kousa 'Snow Tower' is the most columnar cultivar of the Korean Dogwoods. A new cultivar that flowers very heavily with very pointy pure white flowers, mostly covering all of the foliage for the month of June and July. Deep green foliage turns attractive shades of red in autumn. Early winter red 'strawberry like' fruits that are typical of the species. The tree will be only 10 12 ft tall and 4 8 ft wide in 10 years. Hardy to zone 5.