Originally Posted by johnnyboy1965
Dig them up now. Dont bother with washing them (if the weedkiller has got into the rhizome then theyre 4Q).
Cut the rhizomes into small pieces and re-plant int pots of compost.
Difference of opinion here...
In my SWMBO's educated opinion: the extra shock of digging them up and cutting them up could very well be the final nail in the coffin. Leave them where they are, baby them for a while and see what happens. Keep them well watered.