Information

Cork oak, Quercus suber: planting, pruning and care


Cork Oak is a beautiful tree, appreciated for its bark and attractive evergreen foliage.

In summary, what you need to know:

Last name : Quercus suber
Family : Fagaceae
Type : Evergreen tree

Height : 10 to 15 m
Exposure : Sunny
Ground : Well drained

Foliage : Persistent -Flowering : Spring -Harvest : Fall

Cork oak plantation

The Oak cork or quercus suber crashes indifferently at autumn or to spring, but above all apart from any risk of frost.

Purchased in a pot or container, you can also plant the cork oak in a mixture of garden soil and potting soil

  • Provide regular and consistent watering the 1st year after planting.

Cork oak can take up a lot of space when it reaches full adult size, so don't plant it too close to your home.

  • The Cork Oak needs sunlight to develop well.
  • The Cork Oak can be planted along the coast because it is not afraid of spray.
  • Follow the planting instructions carefully and favor a well-drained soil.

Growth of cork oak:

The growth of the Cork Oak (quercus suber) is relatively slow at the beginning but tends to accelerate when it is well established.

  • To accelerate the growth of quercus suber, generous watering every fortnight or so for the first year after planting will improve rooting and therefore recovery.
  • Do not hesitate to remove the flowers in the spring and the acorns afterwards if there are any, as they draw heavily on the cork oak reserves.
  • Applying shrub fertilizer should also speed up the growth of cork oak.

Pruning and caring for Cork oak

Cork oak is easy to maintain and requires very little care, especially when properly installed.

Care of cork oak, quercus suber:

It must be provided with the best planting conditions and regular watering the first year after planting.

Size of Cork oak, quercus suber:

The size of the cork oak is not mandatory. Indeed, cork oak does not need to be pruned but you can remove dead branches as and when there are any.

On the other hand, cork oak is not afraid of pruning either and can be pruned in height as in width without difficulty.

The silhouette of the Cork Oak being particularly pretty, try to keep it while pruning.

  • The pruning period cork oak takes place in late winter, spring or to autumn.
  • Never prune during frost, even if frost is only expected a few days later.
  • Do not prune cork oak in the summer when it is too hot in the summer.

Cork oak diseases

Cork oak is quite resistant to diseases, insects and pests. It has a long lifespan of up to 1500 or even 2000 years.

  • Oak processionary caterpillars: The treatment is difficult for large oaks. Also found in treatment for the oak processionary caterpillar
  • The foliage is covered in white: It must be powdery mildew

Good to know about cork oak (quercus suber)

Like the holm oak with which it is sometimes possible to confuse it, the cork oak offers a beautiful evergreen, leathery leaves, shiny above and whitish below.

A little less rustic on the other hand than Quercus ilex, we also find the cork oak in the Mediterranean basin, its resistance to cold (of the order of -15 °) means that it is sometimes found along the Atlantic coast.

Note, however, that its leaves tend to turn brown as soon as the temperature drops below -5 °.

Element dominating the scrubland with the alep pine and the juniper, the cork oak is also used for the reinforcement of the dunes along the Atlantic coast. Indeed, its powerful root system allows it to fetch water in depth and thus stabilize fragile soils such as sand dunes.

Note that a forest of cork oaks is called a cork forest.

The lifespan of a cork oak tree is several hundred years.

Smart tip about cork oak

Cork oak is the ideal tree to hide from a neighbor without climbing too high, but be careful, you will need to plant your tree more than 2 meters from the property line.


© lamax

Video: How to create Cork Oak Bonsai tree for beginner -HungBonSai123 (October 2020).