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conifers

wallace

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I have a couple of trees that dont look very well, any ideas? I plated them 20years ago so well established. They are planted next to a big sycamore. I was thinking maybe its damage from last year when we had that crazy hot spell.

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In our experience, all frond leafed conifers, including leylandii, are only ever green at the outer extremities. The inner parts which get much less light go brown. If teh second picture set is juniper, then it is notorious for gettuing sudden die back. This can be whole branches or the entire plant.

Most conifers do shed of course - it's just that it it doesn't happen all at once in autumn like deciduous trees. In or ornamental garden area we have about 30 species of conifer and most of the needle ones such as scots pine, black pine and white pine tend to shed quite heavily in July and August. This has been an odd year anyway due to the very wet spring and then the very dry period. We have about 30 various Japanese acers and these usually create a fine autumn display. This year they have mainly gone from verdant spring and summer foliage, straight to crispy brown. Some are actually putting on fresh new growth. Nature is confused.
 
Looks too close to the house for its height.
If you cut it down leave 6ft of trunk for a lever for when you dig the roots out.
 
I believe Sycamore are a greedy species. Could yours be grabbing more underground water than your firs?
 
Thanks chaps, Malc there are some lilac and rhododendron in the vacinity also which seem to be ok, the lilac is about 70years old and on its last legs but still chucks out loads of blossom.
Adrian this gets alot of sun and the side nearest the house which gets no direct sun is the same. I do think stuff is growing a bit wacky lately. I've cut mother in laws and sisters grass 4 times this year but some turf I laid 5 weeks ago 3 times.
I should probably chop the big one down, it was supposed to be kept in check but it got away from me, shame really because we get the collared doves every year who seem to like that tree.
 
I’m just wondering if as you say it was a bit dry later in the year coupled with the rain not getting past the carpet of ivy. How I hate that stuff, we’ve all planted it and certainly I’ve regretted it.
 
I Suspect it's Cyprus Aphids or similar species.

Taken out a couple of trees in my plot this year, others I've just cut off the effected stems and disposed of them.

I believe it can be treated with spraying but hardly worth it unless it's a treasured hedge.
 
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