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Swedish Ivy - Leaves are turning black!


A few weeks ago a purchased a Swedish Ivy (Plectranthus verticillatus) plant. It was hung by a south-ish facing window so was getting a few hours of direct sunlight daily (i have read differing opinions on the amount of light they require, some say no direct sunlight, others say that a few hours is required). I water it whenever i feel that the soil is getting too dry and also mist it when i remember.

Recently, it has developed black spots on the leaves, mainly on the new growth. Some leaves have turned completely black. I first noticed it, during that period of particularly hot weather we had a few weeks ago.

Has anyone experienced this before? Can anyone suggest what the cause might be?

I spoke to the lady at the shop where i bought the plant but she couldn't help. Online the suggestions of cause are typically broad.




  • DovefromaboveDovefromabove Posts: 86,157

    I think that's scorch ... the new leaves will be particularly susceptible ... when I had several they were all in filtered light  and did well there.  

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

  • ErolErol Posts: 15

    Ahh, thanks for the reply Dovefromabove, that would make sense considering the hot hot weather we had. I have since moved the plant from the window. 

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