Welcome to the Blue Horizon Nursery Plant Collection. This reference guide contains photos, brief descriptions, light requirements and zone hardiness for our plants.

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Picea pungens 'R. H. Montgomery' - R.H. Montgomery Colorado Blue Spruce
A compact dwarf conifer with beautiful sky blue needles. Prefers full sun in well-drained soil. 3' tall x 2' wide in 10 years. USDA zone 3.
Picea pungens 'Salem' - Salem Colorado Blue Spruce
Picea pungens 'Sester Dwarf Blue' - Sester Dwarf Blue Colorado Blue Spruce
A dwarf gray-blue conifer with a dense pyramidal form. Stereotypical Christmas tree shape. Prefers full sun in well-drained soil. 5' tall x 3' wide in 10 years. USDA zone 3.
Picea pungens 'Spring Blast' - Spring Blast Colorado Blue Spruce
An upright conifer with contrasting Spring growth in cream-white. The profusion of Spring color is extraordinary and lasts for over a month before reverting to the normal blue-green coloration. A specimen worthy of any landscape. Prefers full sun in well-drained soil. 8' tall x 4' wide in 10 years. USDA zone 3.
Picea pungens 'Spring Ghost' - Spring Ghost Colorado Blue Spruce
An upright conifer with contrasting spring growth in soft white. The white Spring color is exceptional and slowly reverts to the normal blue-green coloration over a period of weeks. Probably the highest contrasting new growth for any conifer and a showstopper during its springtime 'bloom'. Prefers full sun to part shade in well-drained soil. 6' tall x 3' wide in 10 years. USDA zone 3.
Picea pungens 'St. Mary's Broom' - St. Mary's Broom Colorado Blue Spruce
A slow-growing conifer with silver-blue foliage and a dense low-spreading form. Prefers full sun in well-drained soil. Beautiful as a specimen. 10" tall x 30" wide in 10 years. USDA zone 3.
Picea pungens 'Sunshine' - Sunshine Colorado Blue Spruce
Picea rubens 'H.B." - Hexenbesen Red Spruce
Picea sitchensis 'Papoose' - Papoose Dwarf Sitka Spruce
Picea sitchensis 'Silverzwerg' - Silver Dwarf Sitcha Spruce
A dense, dwarf conifer with short rich silver-blue needles. Prefers full sun in most soils. 1' tall x 1' wide in 10 years. USDA zone 6.
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