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What’s wrong with my laurel?!

Discussion in 'Pests, Diseases and Cures' started by MattC76, Nov 19, 2017.

  1. MattC76

    MattC76 Apprentice Gardener

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    Hi All,
    I planted about 15 30cm high laurel plants last spring with a long term goal of creating a tall hedge. They’re all doing well apart from this one which looks to me like it’s being eaten by something! I tried slug/snail pellets and killed off the local population (!) but the problem persists. It’s trying to grow but the new leaves suffer the same fate! There are similar plants either side about 3ft away which are not affected and are growing vigorously. Any ideas?!
    Many thanks in advance!
     

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    • Gwen austin

      Gwen austin Gardener

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      I would consider powdery mildew. You would see a white powdery coat but then goes brown and dies. You would get holes and scrawny edges like your leaf. Is this the only affected one? What position is it in your hedge? Scotland has moderate (ahem!) temperature which it loves. High humidity is also a breeding ground for mildew. You can buy sprays to deal with it
       
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      • Sheal

        Sheal Total Gardener

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        Some of the leaves in your picture have been cut in half, that suggests to me a pest rather than a disease. Vine weevil comes to mind but they are more likely to create holes in leaves.
         
      • Marley Farley

        Marley Farley Affable Admin! Staff Member

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      • pete

        pete Growing a bit of this and a bit of that....

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        Dont think I'd worry about it.
        it's the kind of thing that the plant often grows out of in the new season, next year.
         
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        • Marley Farley

          Marley Farley Affable Admin! Staff Member

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          They are exceedingly tough plants believe me.. I used to have a Laurel hedge and after we grubbed it out it still tried to comeback for a couple of years.. The only thing I would say is never ever plant Cherry Laurel.!! Those “pretty cherry like fruits” will seed all over the place and if you have a dog that eats them he will have a very upset stomach.. Laurels are beautiful thick hedges but a lot of work too.. They need to be trimmed twice a year... The old hand pruning is best then you don’t get chopped leaves.. Mine was a long hedge and I couldn’t keep up with the maitenence.. Just saying... :rolleyespink: :)
           
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          • Ned

            Ned Evaporated

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            Laurel is tough. I grow lots of it, and there is usually some leaf damage very like you have there @MattC76. I think you probably have leaf cutter bees at work, as well as a few adult vine weevils tucking in. My 'eaten' laurels always grow away strongly once the spring comes, and the chewed leaves have to be clipped anyway to keep the plants in check.

            Using slug pellets is not really a great idea in my book, especially around tough stuff like laurel. Poison does more harm than good - it`s an ongoing thing, as other animals eat the poisoned ones, and die (like hedgehogs for example, and birds)
             
          • Mr Novice

            Mr Novice Apprentice Gardener

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            Hi, I am new to this forum and not sure if I am using it correctly (apologies if I have hijacked a thread) but I have a laurel hedge question. Last September I planted a laurel hedge with 90cm laurel plants delivered in pots from an online hedge company. They have taken well. The ground is rubbish but I continually watered them until around end of October. My question is - I want the hedge to thicken so should I be pruning now and should I begin watering again? Gardening is not my specialist subject!!!

            Thanks.

            Bob
             
          • Verdun

            Verdun Passionate gardener

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            Welcome Bob :)
            I would not water right now......I assume you have had a wet winter and soil is moist anyway.
            I would prune back, yes, and could do it now but better to wait a while...3 or 4 weeks....when you see signs of new growth. No need to hack back hard ....trim every stem to buds to encourage shoots lower down.
            Incidentally nothing crucial to worry about.....you wont damage them by pruning :).
             
          • Marley Farley

            Marley Farley Affable Admin! Staff Member

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            I used to have a very long 6ft high laurel hedge but was too much for me to cut anymore so took it out.. Laurel is the toughest hedging there is I think..
            It is worth taking a couple of inches (5cm) off all the shoots (new branches) on your laurel plants when you plant them then do again in March and June until they reach the height you require.
            This will ensure your plants grow bushy and not tall and thin.
            Once they reach the height you want, prune them once a year to the width and height you require is the usual I think..
             
          • Mr Novice

            Mr Novice Apprentice Gardener

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            Thank you Verdun, very helpful.
             
          • Verdun

            Verdun Passionate gardener

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