What's wrong with my conifer?

Hi,

We moved into our place just over a year ago and inherited a very well established garden with a number of conifers at the bottom of the garden. Over the summer one of the smaller conifers, in fact, the smaller part of one much larger conifer started to go brown and now its gone completely brown with smaller brown patches spreading to the one behind it and two of the others.

I have done a lot of research on this and I am none the wider.

According to various sources it could be aphids, but then it could be root fungus or having checked with our local garden centre they think its not getting enough water. So I am none the wiser and I don't know what to do about it. If it could spread then I need to sort it out sooner rather than later as I don't want it to affect the others.

I wonder if anyone on the forum might know what this is as I a little confused and a little stuck.

I include a few pictures that may help.

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Thank you, I appreciate your help.

Rob

 

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Posts

  • nutcutletnutcutlet Posts: 24,243

    Hi Rob, It's dead or dying, things are quite crowded there. I'd have it out and give the others space. As to why, I don't know

  • Oops, typo image wider = wiser

    Also, not only identifying what it is, but what needs to be done. Do we need to cut out and remove the affected part and/or use insecticide.

    Thank you.

  • Okay, thank you nutcutlet.

  • nutcutletnutcutlet Posts: 24,243

    Don't use insecticide randomly, it kills everything, not just aphids. If you can't see any aphids they're not there.

  • Hi Verdun,

    Yes, it happened just over the summer, was fine and healthy before that. Its also the fact that its spreading to others that made us think it was something that could spread.

    Lack of water didn't even occur to us, its something the garden centre said. Not sure we agree with that though, your explanation sounds more plausible. Thank you.

    Rob

  • I've cut my conifer headge back quit hard this year oops will it come back or do I have to spray it green LOL

  • OOps then it's out with the green shed paint then 

    I have some green left on it so we will have to see

    James

  • I had this on one of my conifers (same type) a couple of months age, I have three different types quite close together, but the other two are fine.  I shape them normally, but I left this one and now it's started to grow back green again, I don't know whether it was lack of water (it was just after the VERY hot weather, or what, but it's still got life in it and quite a bit of green now, and the other two are not affected, so I will see how it goes.  

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