Picea pungens 'BLUE DIAMOND' dwarf Colorado spruce
size/type
medium-sized shrub,medium-sized shrub
usual height
4-7m
usual width
1-3m
leaves
evergreen conifer
colour of leaves
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
categorized
Picea
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. Blue Diamond is a variety that originated in Deurne, the Netherlands, in 1990 as a hybrid between picea pungens Glauca and picea pungens (seedling). After more than 20 years of testing and reproduction its main features proved stable and the plant was patented both in Europe and the USA (PP19,550). Its reproduction without license is prohibited. Introduced to the green market in 2006.Description of the plant:
Blue Diamond is a true jewel. This conifer is a variety of Colorado spruce with intensely blue coloured needles with silver overlay. They are quite prickly and evergreen. It grows about 15 cm per year, and only 10 cm upwards making about 1m tall plant in 10 years time. It is well branched from the base and forms a neat and quite regular pyramidal shape without any significant pruning. Trimming, however, is possible – best in early spring. Mature plants are expected to reach about 5m or a little more under ideal conditions.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 01-02-2012; 29-10-2021
QUICK PRICE OVERVIEW
feathered
height 140-160 cm, width 50-70 cm
14 880 Kč
feathered
height 140-160 cm, width 50-70 cm
14 880 Kč
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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.
