Picea pungens 'BLUE MOUNTAIN'

Picea pungens 'BLUE MOUNTAIN'
Colorado spruce

SIZE/TYPE	medium-sized tree
USUAL HEIGHT	6-8m
USUAL WIDTH	2-4m
LEAVES	evergreen conifer
COLOUR OF LEAVES	+multicoloured:silvery-blue and blue-green
LOCATION	full sun
USDA zone (lowest)	3 (down to -40°C)
WINTER PROTECTION
FOR ZONE 5+6
FOR ZONE 7
BELONGS TO CATEGORIES	Conifers

Although Colorado spruce originates in the Rocky Mountains of Canada and the USA it has been in wide cultivation in Europe and its colder regions. In Czech Republic it has been a common jewel in front yards and small gardens for decades, especially its blue forms.

There are quite a lot of spruces called Blue. Blue Mountain is one of them. It is a selection with bright silvery blue needles. They are quite prickly, evergreen, and densely cover the branches. It grows about 15-25 cm per year when young, older trees grow a little faster. It is well branched from the base and forms a neat and regular pyramidal shape without any significant pruning. Trimming, however, is possible – best in early spring.

Spruce is widely soil adaptable provided the soil is well-drained. It likes neutral to slightly acidic soil and full sun. No fertilizing is necessary. Fully hardy to about -40°C (USDA zone 3).

Last update 02-11-2020

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GLOSSARY

STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
SHRUB - a woody plant with branches growing bushy from the ground level.
HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.