I've planted acanthus mollis and it seems to be growing bigger each year, but has yet to produce a flower stalk. Is there something more I can do to promote flowering?
Here are its best growing conditions. Compare them with yours and see if something is missing:
Our resin driveway is lifting around the area where a bears britches borders the drive could the root systems be strong enough to cause this. Thank you
It is possible! This plant becomes, highly, invasive in many areas. You may need to contact your local government agricultural extension service to help you eradicate the plant if you cannot do so.