Norway spruce – as the name suggests - is native ... densata) offers blue foliage. These trees grow to 50 feet (16m) by 20 feet (3.5m) wide. Cultivars include Densata which is more compact ...

Norway Spruce grows in USDA hardiness zones 2 to 7. Douglas Fir, Pseudotsuga menziesii, can grow up to 6 feet tall in five years. This is a common tree found on Christmas tree lots but has a short ...

large roots growing through the bottom of the inner pot had been cut off. Both trees took up water and looked quite good at the end of the trial, although the Norway spruce had lost a few needles.

Dr Trujillo Moya and colleagues have continued to monitor Norway spruce trees in the mountains of Austria, allowing the team to select trees that seem to display a resistance to the disease.