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How to prune evergreen oak for shaping


 
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tomoshea
Rank attained: Hazel Tree
Rank attained: Hazel Tree


Joined: 24 Jun 2014
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Location: wicklow

PostPosted: Sun Mar 06, 2016 11:06 am    Post subject: How to prune evergreen oak for shaping Reply with quote

Hi looking for some advice please, have tried an internet search and cannot find anything of substance.

I have 11 holm oak between 4 and 5 meters tall, clear to about 2 meters high, planted April 2014, all thriving bar one, which we nearly lost last year... shed almost every leaf, but has survived thankfully. I posted about this tree last year.

I need 4 of the trees to reach 6 meters and the remainder to stay at about 4.5 meters. I want to encourage hedge formation for screening purposes.

I have seen these trees looking really well shaped and dense in some locations around Dublin.

I need to understand how to best encourage side growth on the existing branch network to generate the density of leaves.

Has anyone come across relevant materials on the web, or is there someone in the Wicklow area that might be able to provide some guidance.

Thanking you in advance
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Greengage
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PostPosted: Sun Mar 06, 2016 6:50 pm    Post subject: Reply with quote

Don't understand, side growth, front side or back side or side.
Just prune them in July/August both front and back and leave sides alone they will grow into each other, if they have clear stem are you trying to create pleached effect.
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Good guy
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PostPosted: Sun Mar 06, 2016 9:14 pm    Post subject: Reply with quote

Like Greengage says: pruning, which removes the growing tip of the shoot, encourages new growth back down the stem
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tomoshea
Rank attained: Hazel Tree
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Location: wicklow

PostPosted: Wed Sep 28, 2016 4:40 pm    Post subject: Reply with quote

Greengage wrote:
Don't understand, side growth, front side or back side or side.
Just prune them in July/August both front and back and leave sides alone they will grow into each other, if they have clear stem are you trying to create pleached effect.


Apologies for delay in replying.....

They are standard trees - first 2 meters no greenery/ branches. They are currently between 4 -5 metres tall. I need them to reach 6 meters.

Some trees have lost a lot of leaves along the branches, with new growth appearing on the end of the branches, so they are less dense.

What I am trying to achieve is to start new growth back long the braches heading towards the trunk to thicken out the greenery and reduce light through the trees, as I am using them for a screening hedge.

On the basis of the response I guess that means - just before growth season carefully cut the ends of each branch tip - hoping that new leaves will then grow on the branches and eventually turn into mini branches themselves..
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Good guy
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PostPosted: Tue Oct 04, 2016 9:15 pm    Post subject: Reply with quote

Hopefully that will do the trick.
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tippben
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PostPosted: Wed Oct 05, 2016 3:57 pm    Post subject: Reply with quote

If they've lost leaves internally, it's a root problem. Either the top of their root system is not at surface level, or they have suffered drought shock. Both will cause the symptoms you describe, as a result of root death. As others have said, the best way to prune is by "tipping out" every twig. Perhaps training some inwards. You'd need a very well established root system before pruning back to bare branches.
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