Picea pungens 'HOOPSII'

Picea pungens 'HOOPSII'
Colorado spruce

SIZE/TYPE	medium-sized tree
USUAL HEIGHT	3-10m
USUAL WIDTH	2-4m
LEAVES	evergreen conifer
COLOUR OF LEAVES	silvery-blue
FLOWERS	insignificant or non-blooming
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. Especially Hoopsii variety is something you come across very often in Czech gardens.

This is a slow growing conifer with clear silvery-blue needles that are very prickly and cover the branches densely. It forms a neatly shaped tree with rich branching from the ground if planted as a specimen plant in full sun, making an almost regular pyramidal shape. Owing to slow growth it is a popular feature for medium-sized gardens. As it responds well to trimming it can be used in small gardens, too. Pruning and trimming can be carried out in early spring. Mature height of Hoopsii can reach 10m or more without pruning after many decades.

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 26-10-2010

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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.