The last thing your Spruce trees need to have may be the presence of pests and health conditions which will effects their progress and health. Among the most common problems could be the presence of jap spruce budworm. Make a raised ring of soil about your tree and incorporate mulch. https://spruce-wood-for-sale24444.bloggazza.com/28388409/the-2-minute-rule-for-spruce-wood-for-sale