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Dahlia - Rotten Stem

TimmyMagicTimmyMagic Greater LondonPosts: 132
I have got about 30 dahlias planted in the ground. None have flowered yet, but some are doing well and some have been savaged by slugs. A couple of them seem to have shoots that have died. The lower stems go black and when I break them off, they are filled with mush. This isn't the best photo, but hopefully shows the problem: 



Does anyone know why this happens? We've had a lot of rain lately so I'm guessing it's that. Or could it be because they have been attacked by slugs and are therefore weaker?

Posts

  • PerkiPerki Rossendale - LancashirePosts: 2,184
    maybe slug have eaten the side and its collapsed or its split with the heavy rain , as long as the whole plant is going black I wouldn't be to worried. 
  • TimmyMagicTimmyMagic Greater LondonPosts: 132
    @Perki Yeah, I was just curious as this has happened on two different dahlias. I suspect you're right about the slugs. They have decimated some of my dahlias! Thankfully I've got enough that are doing well. 
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