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Weed ID

EzraFEzraF Posts: 3
in Problem solving
Can anyone please tell me what this weed is called? It first started when I used a bag of compost from a budget supermarket. One of my raised beds is covered in it. It looks like I have emptied packets of cress seed all over the bed. It also thrives in between gravel with little or no soil present. This is the 3rd year it’s been present and gets worse each year. I have spent hours trying to take it all out. The first year I didn’t notice some at the back of the bed and they had grown to about 6 inches high with masses of threads tangled roots.

Posts

  • DovefromaboveDovefromabove Posts: 88,147
    edited April 2021
    Have you got any that’s a bit more advanced so that we’ve got something other than seed leaves to go on? 

    Otherwise I have seen Antirrhinum seedlings looking a bit like that ...

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





  • LoxleyLoxley Posts: 5,698
    Fairly sure they are Verbena bonariensis.
    "What is hateful to you, do not do to your neighbour". 
  • EzraFEzraF Posts: 3
    The ones which grew bigger definitely weren’t verbena but I will let a few grow bigger and see what happens. There are thousands of them. Would verbena self seed as much as that? 
  • K67K67 Posts: 2,506
    I would agree with dove they do remind me of antirrhinums
  • LoxleyLoxley Posts: 5,698
    Do you have any V. bonariensis nearby? Verbena will create sheets of seedlings if conditions suit it - I had masses of them coming up through the lawn, the tops of pots, and especially between slabs on the patio. This is a pic of young self-sown Verbena seedlings:

    See the source image
    "What is hateful to you, do not do to your neighbour". 
  • EzraFEzraF Posts: 3
    Thank you. That makes sense as I do v. Bonariensis nearby. 
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