RZNL200923_001_Gibbard RZ

Spring & Summer 2026: Lettuce Highlights

Our lettuce varieties are developed to address the needs of Australia’s growers and their customers

Baby cos & gem

Baby cos variety Rawonder RZ, neat rows of whole lettuce heads at maturity, in the field.
Rawonder RZ

Small cos lettuce with blistered leaves for trial during Australia's shoulder and summer seasons

  • Good strength against tip burn

  • Good strength against bolting

  • Good resistance package

Green baby gem lettuce heads growing in the field
Rubielos RZ

Little gem with dark outer leaves and buttery internal colouring, ideal for warm-season production in Queensland

  • Wide base and tightly packed fill

  • Slow bolting and good strength against tip burn

  • Fusarium resistance

Small baby cos Ralston RZ bright green lettuce heads planted in the field
Ralston RZ

Vivid green baby cos with a wide growing window, suited to warm conditions with year-round potential in some areas

  • Quick filling

  • Slow to bolt

  • Resistance to LMV, Fusarium and mildew

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All varieties
Baby Cos

Discover our full range of baby cos

Midi & large cos

Dark green cos lettuce growing in the field
Claudius RZ

Dark green midi cos, year-round potential in hydroponics and soil production, in all but the coldest locations.

  • Good head weights

  • Great shape and size for sleeves

  • Strong, consistent performance

Midi cos lettuce, variety Zarate RZ, growing in the field
Zarate RZ

Blonde-green midi cos for warm season production, suited to whole head and processed markets.

  • Potential for high-density sowing

  • Slow bolting

  • Knox trait - for longer shelf life

Midi cos variety, Nicodemus RZ, growing in the field
Nicodemus RZ

Midi cos with cylindrical shaped hearts, for fresh market and processing. Suited to warm-season production. A very robust variety.

  • Impressive strength against internal tip burn

  • Slow bolting

  • Knox trait - for longer shelf life

Lettuce variety Maximus RZ, green cos lettuce in hard red earth
Maximus RZ

Large cos suited to processing and fresh market, ideal for warmer growing conditions.

  • Slow bolting

  • Strength against tip burn

  • Good field holding capacity

Bright green cos lettuce growing in the field, sown at high density with uniform size and shape
Gradara RZ

For all but the coldest harvest windows - Alternate with Lotus RZ for year-round production.

  • Exceptional yield

  • For whole head and processing

  • Strength against tip burn and bolting

Flat lay shot of cos lettuce leaves on a plate, used for dip
Midi & Large cos

See our extensive range of midi & marge cos varieties, including

  • Crunchy range - Cos x iceberg for the best of both worlds

  • Knox range - for a longer shelf life

  • Ideal sizes - for twin & triple packs

Iceberg

Iceberg lettuce head growing in the field surrounded by leaves
Izanas RZ

Large framed iceberg for fresh and processed markets, suited to harvest from summer to autumn in temperate zones

  • Slow filling and slow bolting

  • Strength against tip burn

  • Good field holding ability

Head of toscanas RZ, iceberg lettuce variety, growing in the field.
Toscanas RZ

Reliable iceberg variety producing consistent, large heads for fresh market and processing. Warm-season harvest.

  • Strong against tip burn

  • Slow bolting capacity

  • Reliably high cut-out rate

Field of iceberg lettuce heads
Lentenas RZ Knox™

For summer and early autumn production window in most regions.

  • Dense, heavy head

  • Good layering and internal qualities

  • Very uniform size and shape, with a flat base

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Prestonas RZ
New

Promising iceberg for trial
Long production window, trial for spring through to autumn. A robust variety with strength against tip burn and an impressively large frame size. Arrange a trial with us today to get it in the ground.
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All varieties
Iceberg lettuce

Discover our full range of iceberg

Oak leaf

Deep burgundy red oak leaf lettuce heads, variety Suyai RZ, growing in high density
Suyai RZ

Double red oakleaf lettuce for outdoor production in warm seasons. Robust plant with a flat, stable base.

  • Excellent field standing ability

  • Strong against tip burn

  • Strong against bolting

Dark red oak lettuce heads growing together neatly in the field
Contrai RZ

Triple red oak for outdoor production and hydroponic production, great variety for summer harvest.

  • Very slow to bolt

  • Strong against tip burn

  • Tidy, compact frame size

Red oak lettuce, glossy deep red oak shaped leaves
Supradai RZ

Red oak leaf, with a good root system - well suited to hydroponic production.

  • Strength against internal tipburn

  • Resists elongation

  • Not prone to bolting

Perfect green oak leaf lettuce head, growing in neat rows. Kipling RZ.
Kipling RZ

Traditional green oakleaf lettuce with a good frame size, performs well in hot and humid climates.

  • Slow bolting

  • Strong against tip burn

  • Good vigour

Upright heads of green oak lettuce, high density sowing, close together
Kireve RZ

Narrow-leaved oak leaf with a large frame, year round production in most areas.

  • Hydroponic or open field production

  • Whole head or processed

  • Reliable and versatile for most regions

Green Oak Leaf lettuce head being held in the field Kiribati RZ
All oak leaf

Discover our full range of oak leaf lettuce

  • Colourful reds and Bright greens

  • For whole head and processing

  • Traditional and Salanova types

Premium salad leaves - with the Salanova® range

With just one cut at the base, a Salanova lettuce falls in to hundreds of bite-size, mature leaves.

Fluffy frilled deep red incised leaf coral lettuce growing densely together
Tigagon RZ

Red and green coral/incised, one-cut-ready Salanova lettuce. Year-round outdoor production potential.

  • Good, voluminous leaf quality

  • Updated bremia resistance

  • Knox trait - for a longer shelf life

Photo of dark red lettuce taken from above, growing in dirt. Shiny butter leaves.
Vecellio RZ

New red/green Salanova butter, for year-round outdoor production. Suits whole head and processing markets.

  • Resistance to the latest Bremia isolate (AU25789)

  • Knox Trait - for longer shelf life

  • Good vigour and strength

High yields of cut leaves from Salanova baby cos variety Aulanko, studio photo leaves on white background
Aulanko RZ

Baby cos from the one-cut-ready Salanova range. Loose leaf and whole head markets, year round production potential alongside Kobuka RZ.

  • Suitable for mechanical harvest

  • Good strength against elongation

  • Promising processing performance

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See our complete
Lettuce catalogue

High-performing lettuce genetics bred for yield, quality and reliability
At Rijk Zwaan, we work alongside growers to deliver varieties that meet market expectations while standing up to local conditions. From iceberg to cos, baby leaf to specialty types, our lettuce portfolio is built to support productivity, consistency and supply continuity.

Get local advice, tailored to your conditions

Western Australia
Lachlan Grierson
Western Australia
Lachlan Grierson
Account Manager
Victoria
Rob Philip
Victoria
Rob Philip
Account Manager
New South Wales
Frances Tolson
New South Wales
Frances Tolson
Account Manager
Queensland
Eva Sarosi
Queensland
Eva Sarosi
Account Manager
Victoria, Tasmania
Param Turna
Victoria, Tasmania
Param Turna
Account Manager
Northern Territory, South Australia
Steve Natsias
Northern Territory, South Australia
Steve Natsias
Account Manager