How to grow colorado blue spruce
Picea pungens
When to plant colorado blue spruce
Plant this conifer in early spring, before new growth begins, or in early fall. Extension guidance rates those two windows as best because roots can establish before summer heat or a hard freeze; container or balled-and-burlapped stock goes in during these cooler, low-stress periods.
Colorado Blue Spruce is timed by season rather than your frost dates, so the planting calendar does not generate ZIP-specific dates for it. Check the cited sources below to fine-tune for your area.
Growing conditions
- Lifecycle
- Perennial
- Spacing
- 120 to 240 in apart
- Sun
- Full sun
Common problems
- spider mites
- needle cast
- intolerant of heat and humidity
- aphids
Sources
- North Carolina Extension Gardener Plant Toolbox (NC State Extension): Picea pungens (Blue Spruce, Colorado Spruce)
- Penn State Extension: Is Fall for Planting?
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