Stellar Winery, South Africa's largest producer of fine organic wines, processes organically-grown grapes for the South African and export markets. The grapes are drawn from farms in the Lower Olifants River Valley, part of the Namaqualand area of the Western Cape. This is an area famous for its spring flowers and is also the only semi-arid Biosphere hotspot in the world. The organic vineyards and winemaking process are fully certified by the internationally recognised Control Union Certifications, based in the Netherlands.