Hope someone can help with what this is
my Wife thinks I'm growing drugs lol
Looks like Euphorbia. Not sure which one.
I think its caper spurge... Euphorbia lathyris.
Wear gloves when you remove to protect skin from the milky sap.
And don't get any sap in or near your eyes.
Caper spurge is a native, usually viewed as a weed. There are more ornamental forms of euphorbia with better foliage and colours but all have the dangerous sap which can cause burns if you get in on skin exposed to sunlight and cause damage to eyes too.