Carnelian cultivation – Cornus – Cornus – Garden plants – Carnelian – Cornus – Shrubs

see also: Cornel – Cornus mas

This shrub has deciduous leaves native to central-southern Asia, which reaches 150-200 cm high.

The thin stems have an erect posture, they branch out abundantly with the passing of the years; they have green bark, which becomes red-brown in winter, when the plant has already lost all its leaves.

The leaves are oval, or lanceolate, of a light green colour; there are numerous cultivars, also with variegated leaves, such as C.

alba elegantissima; in autumn they show a bright red or orange colour.

In late spring they produce clusters of small cream-white flowers, followed by white or bluish berries. I cornus alba produce numerous basal juices, which often have a more intense colouring than the older stems, so it is advisable not to eradicate all of them.

The cultivation of cornel does not present particular difficulties, it is only necessary to have a few small precautions to obtain beautiful blooms.

Cornus alba

Exposure

Cornus albaThe cornel prefers sunny locations in places with not too hot summers, otherwise it likes slightly shaded places in the hottest hours of the day. It does not fear the winter cold, but may suffer from late spring frosts. If the winter cold is very intense, it is advisable to cover the collar with mulch. The cultivation is not demanding and is affordable for everyone, thanks to the excellent qualities of resistance of this variety.

  • Corniolo This cornel is native to North America, where it is an essential part of the flora of the undergrowth of the foothills: this is why we are perfectly at ease in the Alps and in the Appenines.
  • Corniolo da fiore It belongs to the same family as the cornelian, but comes from North America; it has the habit of a small tree, or of a medium sized shrub, even if the growth is very slow, and if grown in the same family, it is …

  • Corniolo The name cornel indicates a few dozen shrubs widespread in Europe, North America and Asia; once all these plants were identified as different species of Cornelian, more common than the others.
  • Corniolo Shrub or small deciduous tree originating in Europe and Africa; growing not very fast in adulthood can reach 5-7 m high. It has brown bark, smooth, which tends to grow in height.

Watering

cornusDuring the vegetative period, from March to October, it needs abundant watering, waiting however for the soil to dry up between one watering and the other, during the cold months watering can be suspended, to allow the plant to enter into vegetative rest. It can bear, without any problems, short periods of drought, especially if the plant has been in residence for some years already. In the spring, it is good to bury some organic fertilizer at the foot of the plant.

With the young specimens, it is advisable to provide at least one weekly watering, whilst for the adult plants it is not necessary, as they are satisfied with the rain water.

Land

cornus alba elegantissima It loves particularly the loose, fertile and fairly drained soils, slightly acidic; when planting it, it is good to remember to prepare an ample hole, which is to be filled on the bottom with expanded clay or other draining material, then to cover with a mixture of balanced mould, leaf mould and little sand. Usually, however, the cornus alba show to be able to develop without problems also in the common garden earth.

Multiplication

There are many different varieties of this plant with some differences in the appearance and flowers, but with a very similar structure that lends itself to the creation of cuttings. For the cultivation of cornel is sufficient to respect some simple rules; in spring or early summer you can make semi-woody cuttings. In spring it is also possible to propagate the cornus alba by sowing, using the seeds of the previous year.

Cornel cultivation – Cornus: Pests and diseases

corniolo sanguinelloThe cornel can be affected by parasites and diseases that can undermine its health. This plant is frequently affected by cochineal and red spiders, can get sick of white malt. The cultivation must take into account these possible attacks, so that they can be countered in an effective and lasting way.

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  • cornus alba The Cornus alba, known as Corniolo, is an ornamental shrub belonging to the Cornaceae family,
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