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Plant ID - which is it?

Hi, can anyone settle an argument please.... are these Rudbeckia or Helenium?  They grow to about 6 feet tall. 
Thank you in advance :-) 



  • B3B3 Posts: 21,531
    I vote rudbeckia😊
    In London. Keen but lazy.
  • I'd say Helenium.
    As far as I know Rudbeckia dont' grow that tall.  Not to say that someone hasn't bred a giant one tho ;)
    @ Silversurfer would be your best bet for a definite ID 
  • There are tall rudbeckia,  R. maxima, gets 6ft.

    I think you have a helianthus though, there are several perrenial sunflowers that get that big and look like that. 
  • rachelQrtJHBjbrachelQrtJHBjb South BucksPosts: 805
    Looks like a rudbeckia to me. 
  • PerkiPerki Rossendale - LancashirePosts: 2,184
    edited September 2021
    It's a helianthus maybe maximiliania. My rudbeckia herbstone is 7ft
  • LynLyn DevonPosts: 19,940
    I think the leaves look more like Rudbeckia.
    Gardening on the wild, windy west side of Dartmoor. 

  • B3B3 Posts: 21,531
    Is there money on it?
    In London. Keen but lazy.
  • punkdocpunkdoc Sheffield, Derbyshire border.Posts: 11,359
    I’d say Helianthus.
    He calls her the chocolate girl
    Cause he thinks she melts when he touches her
    She knows she's the chocolate girl
    Cause she's broken up and swallowed
    And wrapped in bits of silver
  • FairygirlFairygirl west central ScotlandPosts: 46,425
    I'd say Helianthus too. 
    Rudbeckias tend to have more of a 'cone'. Leaves look different too. 
    It's a place where beautiful isn't enough of a word....

  • Ahh  :D still the argument continues then! 
    I meant helianthus not helenium... and my money is on that, but my mum swears it’s rudbeckia  :#
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