should i top my ash trees?
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powera24 Rank attained: Hazel Tree

Joined: 03 Mar 2013 Posts: 21 Location: Portrane
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Posted: Tue May 05, 2015 8:40 pm Post subject: should i top my ash trees? |
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I have ash trees along my drive that I planted 2 years ago. They are thin but tall.. about 12ft high. They were sparsely leafed last year and looks like they are doing a bit better this year but the top few feet are still bare.
My question is should i top them to try get bushier growth? They look very dangly at the moment.
As a side note I originally ordered native cherry trees but the guy gave me ash. Was half considering lifting them and planting something more floral ... how do you guys rate ash as a driveway liner?
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Good guy Rank attained: Chlorophyll for blood
Joined: 11 Feb 2013 Posts: 2593 Location: Donegal
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Posted: Tue May 05, 2015 9:18 pm Post subject: |
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How big is your driveway? Are these the native Ash, Fraxinus excelsior, which can grow fast to 25 metres? If so, you will need a driveway on the scale of a 'big house' avenue. Or are they Mountain Ash, sometimes called Rowan, Sorbus aucuparia? If the latter they may well make useful driveway trees, with blossom, fruit and attractive foliage.
Let us know more about them and/or the site - photos help.
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powera24 Rank attained: Hazel Tree

Joined: 03 Mar 2013 Posts: 21 Location: Portrane
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Posted: Tue May 05, 2015 9:51 pm Post subject: |
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I think they are mountain ash.. they have pinnately toothed leaf and clusters of green/white flowers are starting to form. I'll have a look for a pic now
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powera24 Rank attained: Hazel Tree

Joined: 03 Mar 2013 Posts: 21 Location: Portrane
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Posted: Tue May 05, 2015 10:00 pm Post subject: |
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Pic looking up my drive
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Good guy Rank attained: Chlorophyll for blood
Joined: 11 Feb 2013 Posts: 2593 Location: Donegal
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Posted: Tue May 05, 2015 10:15 pm Post subject: |
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They look like mountain ash all right, but what kind, I've no idea. Close ups of leaves and flowers might let more knowledgable people than me identify them in more detail.
Personally, I woudn't top them, but let them do their own thing. I prefer not to prune trees unless branches are growing awkwardly and spoiling the shape. But I would keep the ground around the trunks completely clear of grass for at least a two foot radius, more if you can manage it. Grass is a very hungry competitor for water and nutrients.
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Sue Deacon Rank attained: Chlorophyll for blood

Joined: 31 Dec 2014 Posts: 2029 Location: West Fermanagh
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Posted: Wed May 06, 2015 8:47 am Post subject: |
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I agree with Good guy, they do look like Rowan. I would leave them alone, they will thicken up on their own. If you prune them the resulting re-growth might not be to your liking (not very natural looking).
Cut a circle in the grass and, if it was me, I would put a low stake on them just for a few years. It looks like you have quite a prevailing wind and they are leaning. A bit of help while they are young might help them grow straight. Nothing too rigid, they more they flex, the stronger the roots. This has worked well for me in the past.
When they mature, you will have lovely blossom in the spring, berries and, depending on the variety, good autumn colour too.
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Dr. Sunny Thomson Rank attained: Rowan Tree


Joined: 23 Aug 2006 Posts: 132 Location: ireland
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Posted: Wed May 06, 2015 9:29 am Post subject: |
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Rowan are a beautiful tree. Sue Deacons advice will make them even more beautiful. Id do that.
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tippben Rank attained: Vegetable garden tender
Joined: 15 Jan 2011 Posts: 921 Location: north tipperary
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Posted: Wed May 06, 2015 1:01 pm Post subject: |
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Definitely keep them weed free, as suggested above. One of the most common causes of the symptoms you describe is suffocation. If the root collar (the place where the main stem turns into roots) is not at surface level, the tree will not thrive. If this is the case, then replant immediately, or the tree will continue to decline.
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tagwex Rank attained: Chlorophyll for blood

Joined: 23 Feb 2010 Posts: 5188 Location: Co. Wexford
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Posted: Wed May 06, 2015 5:23 pm Post subject: |
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Lay lines can make trees bend over too.
_________________ “It’s my field. It’s my child. I nursed it. I nourished it. I saw to its every want. I dug the rocks out of it with my bare hands and I made a living thing of it!”
This boy can really sing http://youtu.be/Dgv78D2duBE |
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powera24 Rank attained: Hazel Tree

Joined: 03 Mar 2013 Posts: 21 Location: Portrane
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Posted: Wed May 06, 2015 8:23 pm Post subject: thanks for the info |
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Thanks for the help and advice guys. Will be sure to cleat around the base. Here is a close up so it defo looks like rowan which I'm happy about
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Good guy Rank attained: Chlorophyll for blood
Joined: 11 Feb 2013 Posts: 2593 Location: Donegal
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Posted: Wed May 06, 2015 10:19 pm Post subject: |
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Glad to be of help. If you follow Sue's advice and stake them for a year or two, consider using two stakes per tree, each positioned well away from the trunk. Fix a horizontal bar to them and use a tree tie to secure the trunk to that. There will be less likelihood of damaging the root system, that way.
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Blowin Rank attained: Vegetable garden tender
Joined: 20 Aug 2008 Posts: 930 Location: Drimoleague, Co Cork
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Posted: Thu May 07, 2015 5:06 am Post subject: |
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Just a practical tip for their protection. Get yourself a few 6-8 inch lengths of ordinary brown 6 inch plastic drain pipe. Saw it lengthwise on one side. Open each one up and slip it over the trunk, high up, and drop it down to ground level. That way you'll protect them from mower damage etc. However careful you are, you'll inevitably knock them with some tool or other and damage the bark. I've done our fruit trees this way.
_________________ A novice gardener on newly cultivated, stoney ground. |
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Greengage Rank attained: Chlorophyll for blood
Joined: 09 Nov 2011 Posts: 3129 Location: Kildare
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Posted: Fri May 08, 2015 7:18 am Post subject: |
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The ones on the left look worse the rear one looks like it has a double stem it will always be a problem if it survives, the near one on left is leaning looks like it was growing somewhere else before transplanting it will always lean, the ones on the right are leaning with the wind never got a chance to buttress near the base will suffer later in life because of this, looks like the were bought as large trees from a nursey, if they were mine i would root out and start again, with smaller trees , Stake properly, keep weed free and feed, I would stick with Mountain ash on the right but plant something like Amelanchier on left, or Specimen hawthorn or Malus it would give a bit of variety and contribute to bird and insect life in the garden.
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