Unless someone recognises it straight off by its habit we are going to need closeups.

Also you’re likely to get a bigger response if you post in the shrubs forum rather than the forums you’ve picked, none of which are relevant to identifying a large shrub.

Quite beautiful. Post it in the Name That Plant forum [https://www.houzz.com/discussions/name-that-plant-dsbr0-bd~t_29966[(https://www.houzz.com/discussions/name-that-plant-dsbr0-bd~t_29966-dsbr0-bd~t_29966)

I think that what you are wanting to know is whether it may

spread uncontrollably (which many plants do, and many weeds don't).

Tell us what you find about it.