Systematics and appearance
The aim of the following profile is to provide you with the most important information, which also allows conclusions to be drawn about the planting a blue spruce as a house tree or Christmas tree.
- Pine family of plants (Pinaceae)
- Spruce genus (Picae)
- Name of the species: Norway spruce (Picea pungens)
- Common name: blue spruce
- Native to the Rocky Mountains, from Idaho, Wyoming to Arizona
- Evergreen tree with a height of up to 35 meters
- Rough, pointed needle leaves with a blue-gray color
- Shallow roots with stable stability
- Annual growth: 30 to 40 cm
- Winter hardy to - 40 degrees Celsius
also read
- Brown needles on a blue spruce - A guide to investigating the cause
- This is how a blue spruce can be propagated with seedlings
- These diseases are troublesome for a blue spruce
From the age of 30, a blue spruce develops yellowish male cones with a reddish sheen, which turn straw yellow when fully ripe.
use
Thanks to its blue-gray needles, paired with rapid growth, the blue spruce has become more popular
Christmas tree made a name. If the leaves weren't so coarse and pointed, the spruce would undoubtedly lead the annual ranking. Due to its soft needle-like dress and its durability for weeks, the Nordmann fir is the undisputed leader on the popularity scale.Since the blue spruce - despite its shallow root system - proves to be less susceptible to windthrow, It is sometimes used as a year-round hedge to protect against prying eyes and violent glances Winches.
Location requirements
In their natural habitat there is a cool, mild climate. Here, low and low temperatures dominate in summer Rainfall in winter the general conditions. This results in a broad site amplitude with a high tolerance to dry and humid air. Only with regard to the lighting conditions does the spruce favor a bright, sunny place as possible.
Their shallow root system establishes itself excellently in any nutrient-rich, fresh, moist soil. A loamy-gravel structure meets the requirements particularly well. A pH value between 6.5 and 7.5 is ideal, but this is not a mandatory premise.
Tips
Friends of bonsai art like to flirt with a blue spruce, especially because of its shimmering blue needle dress. Since the spruce proves to be poorly pruning, other pines come into focus. The Japanese Black pinewho good-naturedly tolerates any processing with the scissors.