Cabbage (Brassica oleracea var. capitata 'Deep Blue')

The plant Cabbage (Brassica oleracea var. capitata ‘Deep Blue’) is a cultivar of the common cabbage, which is a member of the Brassica oleracea species. The *Brassica oleracea* species is native to the coastal regions of **Western and Southern Europe**.

While the specific cultivar ‘Deep Blue’ is bred and developed in various locations (likely where there’s a demand for unique cabbage varieties), its genetic origins trace back to the wild cabbage populations found in those European coastal areas.

Therefore, the answer is: **Coastal Western and Southern Europe.**