Spruce, Colorado Bonny Blue

Picea pungens 'The Blues' - Iseli Nursery

Fat Albert Blue Spruce

The Majestic Colorado Blue Spruce — The Living Urn

Picea pungens Tree species Calculator List

Colorado Spruce 'The Blues' – Carp Garden Centre - West Ottawa

Plants

blue spruce – The Amazing World of Conifers

How To Grow Blue Spruce (Picea pungens)

Blue spruce - Wikipedia