Trees and shrubs

Thuja: a true hedge trust

Thuja: a true hedge trust

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Cedar planted in a hedge is an excellent screen to hide from all eyes.

In summary, what you need to know:

Last name : Thuja
Family : Cupressaceae
Type : Conifer

: up to 20 m
Exposure : Sunny to shade
Ground : ordinary, well drained

: Persistent

Cedar is not the best suited conifer for biodiversity, but it grows rapidly and is among the most widely used in persistent hedge.

Cedar plantation

Cedar is a conifer and is usually planted as a hedge, and this from the start of autumn, but it can also be planted up to month of March-Aprill outside of frost periods.

Purchased in a container, thuja can be planted most of the year except in frost.

  • Cedar likes sunny or partially shaded situations
  • Cedar tolerates all types of soil

After planting, you can mulch the base to prevent weeds from invading their base but also to protect them from the cold.

  • In both cases, maritime pine bark are perfectly adapted but quite different mulching will perform this function perfectly.

Growth of thuja:

If you want to quickly hide from the eyes, it is imperative that your cedar trees are well planted first, as indicated above.

You will prefer regular pruning, rather in spring because the sap is rising, to give a little more vigor and accelerate growth during this period.

Applying shrub fertilizer once or twice a year will allow you toaccelerate the growth of thuja.

Pruning a thuja hedge

If no pruning is done, thuja can reach almost 20 m high and will be characterized by a conical shape.
In hedge, you will choose the waist height you want and the thickness.

  • Preferably prune your thuja end of summer or to early spring.
  • Do not hesitate to prune frankly because thuja grows back very ... very quickly.

A good pruning end of August in itself will guarantee perfectly controlled growth.
This is also when the sap descends and therefore that you will reduce the growth of thuja trees.

The spring pruning is done in rising sap and therefore accelerates growth of the tree, it is ideal for hide quickly prying eyes

  • Watch out for the growth of this conifer if you have neighbors because it can quickly become problematic
  • Also find our hedge trimming advice

To know about thuja

Cedar is native to North America, where it is called Arbor vitaey which means Tree of Life in Latin. This name was given to it for its evergreen foliage which does not budge from January to December.

He is reputed to be a formidable windbreak ready to resist all squalls but also to prying eyes and it is above all this characteristic that has made it one of the most used conifers for the constitution of a hedge.

They also have resistant to disease and pollution.

From an aesthetic point of view, it does not present any particular advantage other than keeping a deep green all year round and a big opacity power.

Finally, know that if your climate is hot in summer, thuja will not be the ideal conifer because it needs water.

Diseases of thuja

Cedar is very resistant to diseases and fungi

  • Few in number, however, we find fire blight which can decimate a hedge in a short time
    The branches turn brown and die and this can cause the tree to die back.
  • Warning ! This attack can doom an entire hedge.
  • We eventually find the rust or the cochineal

Smart tip

In hedge, think carefully about the height of pruning in order to determine the thuja planting distance ! Respect a distance of 80 cm to 1 m for a classic hedge of about 1.80 to 2 m high.


Read also :

  • Everything about hedges: persistent, varied and flowery

Video: ELA A Walk in the Garden Garden Ways Professional Tips on Design and Plant Selection (July 2022).


  1. Fitzsimmons

    It seems to me that this is not entirely accurate. There are several opinions on this topic. And each person with their own worldview has their own opinion.

  2. Kendrix

    Of course, I beg your pardon, there is a proposal to take a different path.

  3. Dogul

    the very valuable piece

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