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Non invasive knotweed

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  • We removed it all, but no sight of bean seeds. Think they simply rotted away in the shade of the huge persicaria. 
    Next year maybe
  • LynLyn Posts: 23,190
    I didn’t think J,Parkers sold beans as seed.
    Gardening on the wild, windy west side of Dartmoor. 

  • Big OOOPS! May have inadvertently maligned parkers! Seeds must have come from thompson and Morgan then. However the seeds weren't the issue as bean seeds look like beans! The plants that overran the container smothered everything else. It was a great concern when we identified it as a species of knotweed. Understand now it can grow from bits of root which intimates it was in the compost. Need to sift our next bags!
    Shocked yesterday to find huge stone in bag of compost especially as bags are sold by weight!! 
  • DovefromaboveDovefromabove Posts: 88,147
    The persicaria maculosa seeds get everywhere … sometimes appear in compost .., I’ll bet it was seeds from that …. not JKW root … as I said, it’s a very different plant. 
    Do you have any photos?

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





  • yes, have photos but won't copy to here and not too sure of technical knowledge to try another way!! It's called persicaria maculosa
  • DovefromaboveDovefromabove Posts: 88,147
    If you can reduce the size a bit the photos should upload ... but if it's Persicaria maculosa it has spread by seed, not root ... its seeds get everywhere and although it's not ideal that they're in compost, it's not unusual and of no great worry.  Just learn to recognise the seedlings leaves ... quite different from beans.  

    Another way would be to start the beans off in pots or root trainers ... then you can plant them out into the bed when they've got a few leaves, and any small weedlings that appear in the bed will be obvious.  

     :) 

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





  • We tried both ways. The pot way IS the way to go. Next gardening purchase is a bigger greenhouse! 
  • DovefromaboveDovefromabove Posts: 88,147
    I start mine off on the dining room windowsill ... then they go out into a sheltered little wooden mini-greenhouse (like a two storey cold frame) and then they get planted out into the veg patch at the end of May/beginning of June.  

     :) 

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





  • I have a plastic "greenhouse" that does that as my small flat only gets sun in the small kitchen window. Upgraded to 2 this year and now contemplating the real thing for next year, as my mini greenhouses are full from top to bottom with tomatoes and peppers. Need more space for squashes, cucumbers, garlic and courgettes which, at the moment, are loving this sunny weather but will have to go under something if we have wind and rain. 
  • bcpathomebcpathome Posts: 1,313
    Not surprised your beans didn’t grow ,if you got them at Thompson and Morgan .I’ve given up with that company after many disasters eg wrong item delivered ,wrong colour delivered ,seeds not delivered at all .Don’t know what’s gone wrong with that company .
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