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Lupin-disease or pest

hezzhezz Posts: 7
Hi,
    I've had a few lupins in my border for a couple of years and this year all but one are progressing nicely. I don't know what the problem is but the leaves are turning yellow at the edges and curling up. It is continuing to grow and flowersare forming. I've attached a photo and you can see that the lupin next to the dodgy one is normal. I tried a bug spray early on but it made no difference.
Any help will be appreciated or should I bin it

Posts

  • DovefromaboveDovefromabove Posts: 86,868
    No idea ... sorry ... but I think I’d dig it up and pop it in a pot away from the others and see what happens. 

    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • strelitzia32strelitzia32 Posts: 767
    Definitely no aphids hiding on it? One of mine has been infested over the last week, I've seen similar deformed leaves and flower spikes where they've sucked the sap away. Although the leaves aren't yellowing...
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