Ghana's farming calendar is shaped by two rainy seasons — the major rains (April–July) and the minor rains (September–November) — with significant variation between the forest zone (Ashanti, Eastern, Western, Central) and the savanna zone (Bono, Northern, Upper East, Upper West). Getting timing right is the single biggest factor in yield.
Major rainy season (March–July): The primary planting window for most of Ghana. In the forest zone, rains begin in March–April. In the savanna zone (Bono, Northern), onset is later — April to May. This is the main season for maize Season 1, yam, soybean, groundnut, cowpea, rice, tomato, and most vegetables. Tree crops (cocoa, cashew, mango) are not planted by season but benefit most from major rains for fruit development.
Minor rainy season (September–November): A second planting window in the forest and transition zones. Maize Season 2, cowpea, groundnut, and some vegetables can be planted in September for harvest before December. The savanna zone typically has only one reliable rainy season — farmers there should focus on maximising the major season rather than risking a late planting.
Dry season (November–March): The period for tree crop maintenance (pruning, fertiliser application post-harvest), irrigation farming in areas with water access, onion and pepper cultivation in northern Ghana, and cashew flowering and early fruit development (January–March in Bono Region).
The static calendar above gives you the general framework. Inside Seneroy AI, the crop calendar is dynamic — it knows which crops you are growing, your GPS location, and the current date, and it generates a personalised task list for today, this week, and this month.
Lena AI integrates live weather forecasts into calendar recommendations. If the major rains arrive two weeks late this season (which happens frequently in northern Ghana), Lena will adjust planting recommendations accordingly rather than following a fixed calendar date that no longer applies.
The calendar also covers livestock and fish — vaccination schedules, deworming windows, feed adjustment periods, and brooding season management for poultry — all synced with Ghana's agricultural seasons and the specific production cycles for each species.
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