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| Juniper (?) repotting https://weetrees.co.uk/phpBB3/viewtopic.php?f=5&t=14718 |
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| Author: | lameusername [ 21 Mar 2016, 18:59 ] |
| Post subject: | Juniper (?) repotting |
Hi all, these trees are two of my oldest, bought from B&Q about 18 years ago they're quite small and curly. Are they juniper though? If so whats the verdict on repotting - like to remove all the soil and move them into molar as I am with all my other trees.....any thoughts appreciated. |
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| Author: | lameusername [ 21 Mar 2016, 19:00 ] |
| Post subject: | Re: Juniper (?) repotting |
This one lives in a 8cm pot |
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| Author: | John M [ 21 Mar 2016, 19:58 ] |
| Post subject: | Re: Juniper (?) repotting |
They both look like Junipers to me. I have moved all my 8 junipers into molar clay ('Sanicat') over the past 2-3 years, and have never had any problem. I bare-rooted them when I did it. So I don't see that you need have any difficulty. J. |
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| Author: | Deano [ 21 Mar 2016, 20:22 ] |
| Post subject: | Re: Juniper (?) repotting |
I wouldn't bare root but that is just me. Take em out and remove max 40% of root but go easy. Make sure when you cut off strong roots that you leave something still feeding that root. Never cut back where there isn't some fine root feeding the root I pot mine in 50% grit (kyodama but any rough grit should do) and 50% tesco low dust cat litter. They prefer to be on the dry side. Hard to see what juniper they are but they do look like junis. PAGING CORIN |
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| Author: | stymie [ 21 Mar 2016, 20:28 ] |
| Post subject: | Re: Juniper (?) repotting |
Leave all the foliage on until they've recovered from the root reduction. Even 40% might be too much but use discretion, noting how much fine root there is to leave on as opposed to thick roots whose only good side for us is anchorage. |
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| Author: | lameusername [ 21 Mar 2016, 21:45 ] |
| Post subject: | Re: Juniper (?) repotting |
Brillant, thanks for the swift suggestions, I'll bare root them as the compost looks a bit rubbish (a couple of wire worms wiggied at me earlier) but compromise by not removeing roots, except perhaps those that go round the bottom of the pot. And leave the foliage alone...I hear July is a good time for juniper trimming? Good idea on the free-draining, Deano, I've just those materials. They once had bronze foliage thet was slightly twisted but seem to a have reverted to just plain needles now. |
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| Author: | Deano [ 22 Mar 2016, 08:50 ] |
| Post subject: | Re: Juniper (?) repotting |
As Don says, no pruning until it's very happy again and banging out loads of growth. Late summer at the earliest IMO. As again to reflect what Don says, 40% removal could be pushing it if you dont' know what you're cutting off. Fine root=keep, hard thick root=remove back to furthest part with fine root still feeding it in a reasonable quantity. Like the branches above, if you cut back to no foliage(or fine root in the case of roots) the shoot/root will die |
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| Author: | Brendan [ 22 Mar 2016, 10:37 ] |
| Post subject: | Re: Juniper (?) repotting |
I have had a few bad results with over enthusiastic repotting out of nursery pots. What I now do with sensitive material is to completely over pot when I do the first re-pot out of the nursery pot. One juniper I did recently I washed away as much of the original soil as I thought was safe (in this case the lot) and then I potted it into a really large container with 100% cat litter. It was at least twice as big as the nursery pot with the long and winding roots easily being spread out and allowed to reach down without winding up and without having to cut them away. I cut away almost no root, except for one very long root that must have been wound around the pot 3 - 4 times. The tree seems to be absolutely fine. I did have a moment of worry as I could not run any wires from below like in a shallow pot to hold the tree. It was too unstable for this to feel safe while I was filling it with the cat litter. In the end I found that the bigger pot when filled and any air gaps removed actually left the tree quite stable and the wire from below, with a couple of wires across the top to anchor the trunk, seem to do the trick. Next year when I re-pot the idea is that I have avoided too much stress on the tree and that I'll find new fibrous roots that will make the change to a smaller pot less of a trauma. Obviously I am assuming there will be good growth this summer. |
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| Author: | Bill [ 22 Mar 2016, 16:14 ] |
| Post subject: | Re: Juniper (?) repotting |
it looks like communis "repanda". lose as little root as possible. i would not advise overpotting with compost still in the rootball, it will stay too wet. would recommend a dry mix like Deano said, and fit it into the smallest pot thats practical; they don't need any "growing space". |
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