White Spruce requires consistent moisture, especially during its establishment phase in the first few years after planting. Once mature, it is quite drought-tolerant but benefits from deep watering during prolonged dry periods. Ensure the soil drains well to prevent root rot. Avoid overwatering, particularly in heavy soils.

Pruning for White Spruce is typically minimal, focusing on removing dead, damaged, or diseased branches to maintain tree health and structure. Avoid heavy pruning, as conifers do not readily sprout from old wood. Light shaping can be done in late winter or early spring before new growth emerges, if necessary.

White Spruce can be propagated from seeds, which require a period of cold stratification to germinate. Cuttings are more challenging but can be attempted from semi-hardwood in late summer, using rooting hormone and bottom heat. Air layering is another less common method for propagating specific cultivars.

Repotting is not applicable for mature White Spruce trees as they are large, permanent landscape plants. Young saplings grown in containers for transplanting should be moved to larger pots as they outgrow their current size, ensuring minimal root disturbance. Plant into the ground as soon as they are robust enough.