Super invasive shrub with large dark green leaves

Hi?

We have two shrubs in our front lawn that have grown considerably in the past few weeks. The shrub has succulent branches with large dark green leaves. The roots are thick, succulent and white in colour.

 

Hi Eileen, apologies, re-attached the photos. We are from Melbourne, Australia.

 

If it was Britain I would say it was Acanthus mollis,but don't know if that is grown in Melbourne.

 

Thank you! I think that is the one.

 

It looks like one of the acanthus sorts to me. You see them as relief work at the top of Greek columns from the Corinthian period. They grow wild on the lands in the Aegean sea area...like Turkey and Greece among others.
This plant can be very difficult to get rid of.

 

If it wasn`t invasive I think its kind of pretty just as greenery !!

 

Hi @Giantweedcanterbury it does look like a Acanthus mollis what @Palustris said...here's a pic and welcome to the forum.

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Thats really a pretty plant !