Picea abies 39wills zwerg39 is an evergreen dwarf spruce with a classic conifer tree shape that looks fantastic planted in a rockery or alpine garden it is a real slow grower and takes decades to reach its full height of 3 metres as it only grows roughly 2 inches 405cm41 per year in the festive season the tree can be decorated with outdoor fairy lights to transform it into a mini christmas tree it can also be planted in a container and moved next to the front step during this p