Hi All

Advice needed.

Daughter had a tree lopper come & cut down & stump grind an old 10metre Crepe Myrtle tree in her backyard.
They stumpground down to about 20cm below ground level.
Instructions were to also poison the stump to ensure no regrowth.

Alas, 3 months later a dozen "pups" started to show through the lawn, anywhere up to 10 metres from the stump.

Over the past 6 months, I have tried several applications of "Treason" to the pups as they arise, but it seems this just spurs more to reappear elsewhere in the lawn. So far we have had around 30 pups.

Any advice to finish off the job ?