Photo by Melody

PlantFiles: Colorado Spruce, Blue Spruce
Picea pungens 'Thomsen'

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Family: Pinaceae (py-NAY-see-ee) (Info)
Genus: Picea (PY-see-uh) (Info)
Species: pungens (PUN-gens) (Info)
Cultivar: Thomsen
Additional cultivar information: (aka Thompsenii, Thompsen)

One vendor has this plant for sale.

Category:
Trees
Conifers

Height:
over 40 ft. (12 m)

Spacing:
30-40 ft. (9-12 m)

Hardiness:
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Inconspicuous/none

Bloom Time:
N/A

Foliage:
Grown for foliage
Evergreen
Blue-Green

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
By grafting

Seed Collecting:
Bag seedheads to capture ripening seed
Allow unblemished fruit to ripen; clean and dry seeds
Properly cleaned, seed can be successfully stored

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to view:

By conifers
Thumbnail #1 of Picea pungens by conifers

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive conifers On Mar 12, 2006, conifers from Rock Island, IL (Zone 5b) wrote:

A Large-Growing cultivar of Picea pungens with a growth rate of 12+ inches per year. Foliage: silver/blue on an upright pyramidal tree.

Regional...

This plant has been said to grow in the following regions:

Rock Island, Illinois



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