Onion value chain covering multi region production, field curing, cold storage for year round supply, dehydration processing and extensive domestic distribution.
Explore the 6 stages that make up the Onions value chain.
Producers source hybrid onion seed selected for bulb shape, skin colour, pungency level and storage performance. Short day varieties dominate South African production and seed quality directly determines bulb uniformity, scale tightness and disease resistance.
Onions are cultivated across multiple production regions with drip or overhead irrigation. Bulb initiation triggered by day length, thrips management and careful irrigation cutoff timing before harvest determine final bulb size, skin quality and storage potential.
Bulbs are mechanically lifted when tops have fallen over and neck tissue begins to dry. Field curing in windrows for seven to fourteen days dries the outer scales and neck, forming the protective skin layers critical for long term storage.
Cured onions are graded by size into market categories and stored in ventilated cold storage at zero degrees celsius. Long storage capability of up to six months allows strategic release during off season price peaks, significantly increasing producer returns.
Onions are peeled, diced, dehydrated into flakes and powder, pickled or processed into onion rings for food service. Dehydrated onion is a major industrial ingredient in snack seasonings, soup mixes and ready meal manufacturing.
Fresh and processed onions are distributed through all market channels from informal traders to national retail chains. Onions are the most widely consumed vegetable in South Africa and year round availability through strategic storage underpins food security across all provinces.