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What is?

dpatel2130dpatel2130 Posts: 159
in Problem solving
What causing this to the leaves? Yellow and black spots. 

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  • DovefromaboveDovefromabove Central Norfolk UKPosts: 77,421
    It’s a fungal condition called hollyhock rust.

    Most hollyhocks get it I’m afraid ... not very pretty but the plants usually survive.

    Remove badly affected leaves as they die off and clear any fallen ones away from the plant.

    Otherwise there’s nothing to do 😊 
    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • dpatel2130dpatel2130 Posts: 159
    @Dovefromabove. Thank you. It also covered stem and leaves of holyhocks. Worried about marigolds, lillies, dahlias etc. Will rust spread to other plants? 
  • DovefromaboveDovefromabove Central Norfolk UKPosts: 77,421
    All sorts of plants get rust, but each type of plant has its own type of rust so if your other plants get rust it will be a different type ... it won’t have spread from the hollyhocks 😊 
    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • dpatel2130dpatel2130 Posts: 159
    @Dovefromabove, thank you. Very helpful of you. So will keep eye on all plants for their own rust. 
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