At TOP The Onion Group, we supply first-year white onion sets of the highest quality. Thanks to our own cultivation and collaboration with leading breeders such as Hazera, we select only the very best varieties. Suitable for both professional growers and hobby gardeners.
Why choose our first-year white onion sets? Because we grow them ourselves, we know our varieties in detail. Only varieties that meet our strict criteria are included in our cultivation program. This guarantees:
We distinguish ourselves through geographically distributed cultivation. This limits risk and ensures stable quality:
Our crop managers closely monitor growth using a specially developed cultivation program tailored to the unique conditions of each growing region.
Our white onion sets are certified with the independent NAKTuinbouw Selectplant quality mark. This offers additional assurance beyond the European standard:
✔ Free from downy mildew (Peronospora destructor)
✔ Free from white rot (Sclerotium cepivorum)
✔ Standard testing for stem nematodes (Ditylenchus dipsaci)
By cultivating on plots free from these soil-borne diseases, we ensure a healthy and trouble-free start to the growing season.
TOP The Onion Group is the exclusive producer and supplier of Hazera’s first-year onion set variety range. Hazera is a global leader in seed breeding and provides:
We fully tailor our deliveries to the customer’s preferences. Whether you manage a large acreage or need smaller volumes:
Every first-year onion set batch is thoroughly checked through lab testing and field trials, both on our own test plots and external locations.
Looking for top-quality white onion sets? Need advice on variety selection or delivery options? Feel free to contact us. Our crop specialists are happy to help you!
250 gr until 5 kg, private label possible
5 kg until 20 kg, bigbags, bulk, boxes, other packages on request
TOP Onions Sets B.V., TOP Cultures France SARL
's-Gravenpolder (NL), Bihucourt (FR)
Discover the diversity of our varieties and find out which variety is best for you!
Mid-season
Snowball, unique due to its white colour, is slightly sweeter and milder in taste compared to yellow onions. The variety is the perfect choice for sandwiches and sala... More informationds. Snowball is a mid-early variety and originates from the United Kingdom. The variety is suitable for both gardeners and commercial growers. Snowball produces consistent round onions with an average neck and white-coloured skin. Snowball is suitable for any soil type, but not for long-term storage.
Maturity (early-late)
Yield
Skin quality
Firmness
Storability
Root system
Mid-season
Southport White Globe is a mid-early variety and is originally from the Netherlands. This onion is also known as 'Silver Ball' and 'White Rebecca', thanks to its whit... More informatione skin colour. Southport White Globe is especially suitable for the production of spring onions. The variety produces round onions with an average neck and tough skin. Southport White Globe is suitable for any soil type, but not for long-term storage.
Maturity (early-late)
Yield
Skin quality
Firmness
Storability
Root system
Recipes, varieties, delivery times, packaging, assortments, operations. Where do you have specific requirements? We are happy to help you with your requirements. Our possibilities are great because we grow, process and export ourselves. These products may also be of interest to you: