When do you have to cut the blue noise? - Manual

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When do you have to cut the blue noise? - Manual: blue noise

With a blue tingling southern ambience moves into the garden during the summer high season. Numerous bees, hoverflies and butterflies frolic on the violet-blue, intensely fragrant spikes of wheat. From October, this glory is unfortunately over again. Should one cut the shoots immediately after flowering, or is there a better time?

When the blue sounds cut?

For the up to one meter high growing plant exists only one season, which fits for the pruning: the early spring. Another appointment is out of the question. When exactly, the weather decides. In some years, March is still severe frost, which is why the days after better. Otherwise, end of February or early March are considered ideal times to cut. If, after the pruning, there is still an icy cold phase, the plant, which can no longer afford adequate winter protection, absolutely needs a warming cover, for example fir branches, autumn leaves, burlap, plant fleece or, if necessary, a piece of cardboard.

Why not cut after flowering?

Here are the reasons why the blue noise should not be cut in the fall:
  • Plant origin: Steppes of the Middle East
  • Climate in the homelands: warm temperate to subtropical
  • does not tolerate severe frost
  • Hardiness zone Z7: -12 to -17┬░ C
  • increased risk of freezing when pruning in autumn
  • Withered leaves protect against cold
  • in rough areas additional winter cover needed

Why cut the blue noise?

There are several names for this motley plant. The scientific term for the plant of the family Lamiaceae is Perovskia atriplicifolia, whereas some garden friends know the plant under the following names:
  • silver Bush
  • Russian sage
  • Fiederschnittige Perowskie
  • Perovskia Atriplicifolia
It is a typical subshrub, in a sense a plant form between perennial and bushy wood. The flowers are basically only on one-year shoots. Shrubs, which also include rosemary, sage and thyme, lignify quickly if the aftermarket is neglected. Sprouts near the bottom gradually become thicker and develop a solid bark over time. Here then neither leaves nor flowers grow, while the new shoot takes place above and dies again after each flowering season. Only strong cutbacks preserve shrubs before blunting in the lower area. As regards the silver shrub, annual cutting causes the rods to produce silver-gray leaves and purple flowers from the base to the shoot tips.

Suitable pruning style

Only one cut variant meets the requirements, so that the silver shrub permanently maintains a compact appearance: a rigorous rejuvenation cut, which includes all shoots. The scissors are each close to the base, so that after cutting back only stubs of a maximum of 10 cm remain. In all likelihood, the non-woody shoots are already frozen in the winter anyway. These cold damages are eliminated in a single step in the spring intervention.

Which scissors to use for pruning?

You have the choice. You can perform the pruning of the blue clay either with a pruning shears, also under rose or pruning shears, or with a shrub shear. When using a secateurs, the pruning takes a little more time, because this cutting tool allows only the cut of a single rod. The use of a mechanical shrub shears, which is used with both hands, the work goes faster. Per cut with the scissors with the longer blade leaves fall several stems. Motorized hedge trimmers are less suitable for the silver shrub.
Note: For sanding a secateurs you can use a waterstone instead of a traditional whetstone. The otherwise customary for kitchen knives grinding method also makes pruning shears nice and sharp again.

Cut back the blue noise

You need:
  • Garden or hedge trimmer
  • Gardening gloves
  • Basket, bin or sack for the waste
  • if necessary knee pad or knee pads
Step-by-step guide:
  • choose a rain and frost free day
  • Blade the secateurs, if necessary, sharpen
  • Provide containers for the cutting waste
  • maybe spread a pad for the knees on the floor
  • grasp a stalk with one hand and cut it with the other at the bottom
  • or trim several tendrils at once using shrub shears
  • only lignified shoots can stand up to a height of 10 cm
  • Collect separated plant stalks in the container
  • Dispose of clippings (composter or Gr├╝ngutplatz)
Tip: A kneeling posture near ground level gardening spares the back and relieves the joints. When using a knee pad, keep your knees or trousers clean.

Where to put the cut stems?

For the garbage bin, the clippings of the blue noise is much too good. Finally, this waste consists exclusively of organic substances. Under the influence of oxygen, heat and moisture, the biomass matures into nutrient-rich fertilizer and soil-improving humus soil. Those who do their own composting certainly do not have to think long about what happens to the truncated stems.
Because the stem axes of the blue noise are relatively thick, prior shredding is recommended. If the stems stay as they are, they take a long time to decompose into fine crumbs in the compost. If you do not have a shredder, you should at least cut the clippings with the scissors into smaller pieces, so that the decomposition in the composter does not stretch too much. If you do not have the opportunity to produce your own humus, greenfields are the ideal purchasers for clippings.

These mistakes should be avoided when pruning the blue noise

  • cutting in the fall after flowering (lack of heat protection in winter)
  • generally too early cutback, followed by a frosty period
  • Rainy weather favors rot
  • Break or bend branches instead of cutting them
  • Too long sticks left (risk of Verkahlen)

Cut off blooming branches

The long, usually straight-headed inflorescences with laterally erupting panicles give beautiful bouquets that exude a pleasant scent. Blaurautenbl├╝ten keep quite a long time in the vase. With creative ideas and a little skill otherwise pretty wreaths or other containers. When cutting flowering tendrils, however, you should make sure that you never completely remove the upper parts of the plant. Limit yourself to individual branches, which you remove in different places, so that a sufficient winter protection remains. The plant also does not look attractive if it has large gaps during the flowering season or no flowers at all.

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