Zone 2 - 4m / 14ft

Picea pungens ‘Globosa’

Though globular when young, it will eventually form a broad, dense semi-dwarf blue tree. Prefers well drained, slightly acidic soil. If your soil is neutral add iron sulfate to lower the pH and create more blue, which is actually a waxy exudate of the needles. Do NOT use aluminum sulfate. It is toxic.