HELP -- unknown weed in new lawn

km79

as described in other threadive had back lawn resown just over a month ago. due to dry weather (i think) its still fairly patchy and a lot of this weed DSC02055.jpghave begun popping up in numbers in bare patches can anyone identify it and then advise me on whether to try hand pick them ( a lot of them ) or will they die back when i start mowing

km79

can anyone helpo ive been trawling the web for images of weed that matches it but no joy

mountainy man

looks like wild mustard to me

km79

thanks and what should i do about it? is it very invasive? it has not appeared in any other part except for the part which was resown?

dardevle

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looks like wild mustard/charlock....try hand pulling them if it is not too much trouble, or dead heading the flowers before they go to seed- try and prevent them from going to seed as each plant can produce 2,000-4,000 seed:eek: and can remain viable for a long time.



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km79

there are no flowers yet so if i pull them by hand do i need to get the roots too??? some of them are very small so hard enough to get roots and all up