I'd say walk worker east onto the BG. Then plant SE unless we get new info that would convince us otherwise. It's a long way away, but in another government the wines will be bonus food, so avoiding planting on them is ideal. If we're more worried about the short run, well, planting inland allows us the option of two well protected coastal cities 2 tiles from our capital (south of the mountain, and on the wines). A good option to have if things get ugly.