Brand Label

Fresher lettuce thanks to Knox

Introducing Knox™ – a natural trait that not only delays pinking in lettuce, extending the shelf life , and also reduces waste. Launched in 2015, we now offer a complete range of lettuce varieties with Knox, amongst others of Iceberg, Cos, Butter, Salanova and Batavia lettuce..

Harvest the benefits of Knox™

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Happy consumers

As a result of Knox, lettuce looks fresher longer.

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Extended shelf life

The delayed pinking on cut surfaces of lettuce, significantly reduces waste.

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Mechanical harvesting

Knox ensures a clean, fresh cut when harvested by machine.

Machine harvested

Knox ensures high quality
of machine harvested lettuce!

Shortage of labour forces the industry to mechanization. Knox ensures a clean, fresh cut when harvested mechanically.
Crunchy Caesar Salads

Knox™ keeps Crunchy Caesar Salads
extra fresh

Nowadays, every fast-food chain and company canteen has a choice of salads on the menu, often with tempting names such as Veggie Delight, Thai Chicken Salad or Crunchy Caesar Salad. One indispensable ingredient is cos lettuce or iceberg lettuce. A unique innovation that ensures fresh-cut lettuce stays fresh for longer has recently opened up new opportunities for the foodservice market.
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Featured Knox™ varieties

CORIANAS RZ (45-179) Knox™ product photo
CORIANAS RZ (45-179) Knox™
Longer fresh thanks to Knox™
GREENSBORO RZ (43-BU7435) Knox™ product photo
GREENSBORO RZ (43-BU7435) Knox™
Medium-sized butterhead lettuce with suitability for netting
Salanova® DAVINCI RZ (79-209) Knox™ product photo
Salanova® DAVINCI RZ (79-209) Knox™
Vigorous red Salanova® butterhead lettuce with Knox™