buddlejas-leaves-yellowing-why

As above....

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  • waterbuttswaterbutts Posts: 1,221

    How big are the pots? How big are the buddleias? Although buddleias can be found growing out of chimney pots on empty buildings, they do have a need for a deep root run. They won't be happy if their roots are going round and round in a pot with nowhere else to go. Can you take them out of their posts and have a look to see if their roots are squashed?

  • DaintinessDaintiness Posts: 949

    Check the roots for vine weevil grubs - white body, brown head. There is another buddleias thread with a similar problem - check it out.

    Cut back on the watering, they like to be dry.

  • nutcutletnutcutlet Posts: 24,256

    They grow so quickly, they outgrow pot and food. Some I grew from cuttings taken last autumn have already filled a 2L pot and looking for more. Starvation would be my guess

  • lynne24lynne24 Posts: 121

    hi, hope you dont mind me butting in on this post, my dwarf buddlies, are in pots, i planted them last year, they where lovely, but this year the flowers are tiny, and dont look very happy, any ideas anyone, thanks

  • nutcutletnutcutlet Posts: 24,256

    starvation, even the dwarfs are fast growers

  • lynne24lynne24 Posts: 121

    hi nutcutlet, what do you mean by starvation? thanks verdun, i will make a note of the above, i just wanted something in my large pots to encourage beas and butterflies

  • nutcutletnutcutlet Posts: 24,256

    lynne, i meant that stage when the roots ha ve filed the pot and the remaining compost can't retain enough water for the plant to take up any plant food provided

  • lynne24lynne24 Posts: 121

    thanks for all your advice, verdun, your agastache sounds lovely, but i have got nowhere to overwinter, and my planters are heavy stone. thanks again everyone   image

     

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