Leading in Allium, inspired by you.

De Groot en Slot - Leading in Allium, inspired by you.

World market leader in onion seed

De Groot en Slot is a Dutch company, based in the province of North-Holland. It excels in a particular area of specialist expertise: onion seed. We enjoy more than 60 years of experience in the development and production of onion seed. A successful venture we are extremely proud of. Together with our partner Bejo, De Groot en Slot is one of the dominant forces in onion seed on the global market.

More about us
De Groot en Slot - Uienzaad
A photograph of our office

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