Gorse is a man made problem. The result of wrong fire management that in fact is the result of bad farming. Needs fire to sprout.

Remove fire and cattle and Ulex will slowly retreat and dissapear

Oddly, one of the most common invasive plant around Seattle is Scotch Broom. That stuff cannot be controlled.

Where I grew up too (NE Scotland). It does smell very nice every now and then then, like coconut

A favourite in the golf community (I grew up in Hopeman - east of Inverness)