Forest (Cocoa Belt)
Rainfall 1,300–1,900 mm/yrElevation Rolling 150–750 m (Kwahu plateau)
Soils: Forest ochrosols (nutrient-rich, around Kumasi, Koforidua, Sunyani) and forest oxysols (acidic, well-drained, around Tarkwa, Elubo)
CocoaOil palmRubberPlantainCocoyamCitrusTimber
Ghana's wettest, most fertile belt and its cocoa heartland — Ghana is the world's second-largest cocoa producer. Ochrosols carry cocoa, coffee and kola; oxysols suit oil palm and rubber.
Where: Ashanti, Eastern, Western, Central, Ahafo & Western North
Forest–Savannah Transition
Rainfall ≈1,200–1,300 mm/yrElevation ≈200–400 m
Soils: Oxysol–ochrosol intergrades — moderately fertile, well-drained
MaizeYamCashewMangoCassavaTobacco
Ghana's ‘breadbasket’ — a double maize season and the country's fastest-growing cashew frontier, bridging forest and savannah.
Where: Bono, Bono East & parts of Ashanti, Eastern and Oti
Guinea Savannah
Rainfall 1,100–1,200 mm/yrElevation Low plateau ≈150–400 m
Soils: Groundwater lateritic (ferruginous) soils and savannah ochrosols — loamy but low in organic matter
YamMaizeSorghumMilletGroundnutSoya beanRiceSheaCotton
A single rainy season and Ghana's grain, legume and shea belt. Tall grasses with shea, dawadawa and baobab; gallery forest along the Black Volta and Oti.
Where: Northern, Savannah, North East & parts of Oti and Bono East (Tamale, Wa, Yendi)
Sudan Savannah
Rainfall ≈900 mm (lowest)/yrElevation Low plains ≈150–300 m
Soils: Groundwater lateritic soils — stony, cracking in the dry season
MilletSorghumGroundnutCowpeaRiceOnionLivestock
Ghana's driest zone: short grasses and drought-resistant, thick-barked trees. Dry-season irrigated onions and a strong livestock tradition.
Where: Upper East (Bawku) and parts of Upper West
Coastal Savannah
Rainfall 800–900 mm/yrElevation Low-lying, mostly under 100 m
Soils: Akuse tropical black clays (heavy, alkaline), coastal sandy soils and tropical grey earths
CassavaMaizeVegetablesCoconutSugarcaneMango
A drier coastal belt feeding Accra's urban markets — horticulture, vegetables and cassava, with coconut on the sandy soils and irrigated sugarcane on the Accra plains.
Where: Greater Accra and the coastal strips of Central and Volta