Romaine Lettuce Varieties
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30 products
30 products
Overview
Tacitus F1 is a medium-to-large framed romaine lettuce with excellent tipburn resistance and dark green, open hearts. Its pelleted, untreated seed is easy to sow and performs reliably across field, greenhouse, and hydroponic production systems year-round.
Key Performance Characteristics
- Frame size: Medium to large
- Leaf color: Dark green
- Heart: Open, well-filled
- Tipburn resistance: Excellent
- Bolting: Slow to bolt
- Production systems: Field, greenhouse, hydroponic — indoor and outdoor
- Seasons: Year-round production
Seed Specifications
- Seed treatment: Pelleted, untreated as standard
- Packaging: Available in 100, 250, 1,000, 5,000, 25,000 and 50,000 seed packs
To be phased out — limited quantities remaining. Browse current lettuce varieties
Amadeus F1 is a Cos/romaine lettuce with a uniform, upright frame. The head is well closed and uniform in shape, producing more leaves than comparable varieties.
Unlike field varieties widely sold for greenhouse use, Amadeus is smaller-framed — allowing for higher plant populations with exceptional growth rates and faster maturity.
- Uniform, upright romaine frame
- Well-closed, consistent head shape
- Higher leaf count than comparable varieties
- Suited to high-density greenhouse production
- HR Bl: 1-17, 21, 23
Pelleted seed. Lettuce seed from this supplier is Untreated as standard.
Overview
Cosbee F1 is an excellent Mini Cos romaine lettuce for warm weather production, delivering compact hearts with excellent shape, sweet taste, and good tipburn and bolting tolerance. Typically reaching 160–180mm in height depending on time of year, Cosbee is well-suited to spring, summer, and fall production in twin-pack and fresh market formats.
Key Performance Characteristics
- Type: Mini Cos (Romaine)
- Height: 160–180mm (season-dependent)
- Heart shape: Excellent, compact
- Color: Medium green
- Flavor: Sweet
- Vigor: Medium
- Tipburn tolerance: Excellent
- Bolting tolerance: Excellent
- Seasons: Spring, summer, fall
- Best use: Twin-pack, fresh market
Disease Resistance
- HR: Bremia Bl:1–28, 30–32
- IR: Fol:1
Seed Specifications
- Seed treatment: Pelleted, untreated as standard
- Packaging: Available in 100, 250, 1,000, 5,000 and 25,000 seed packs
Also consider Elizium F1 and Tacitus F1 romaine varieties.
Overview
Monte Carlo F1 is a very attractive, dark green romaine with fast growth, excellent weight, and good shelf life. Suitable for harvest as a mini head or at full maturity (~55 days), Monte Carlo grows well in high tunnels across all seasons and performs equally well in hydroponic and outdoor production.
Key Performance Characteristics
- Type: Romaine (mini or full head)
- Color: Very attractive dark green
- Frame: Small, fast growing — excellent weight for size
- Shelf life: Good
- Maturity: ~55 days
- Harvest flexibility: Mini head or full maturity
- Production systems: Hydroponic, outdoor, high tunnel (all seasons)
- Downy mildew resistance: Excellent
Seed Specifications
- Seed treatment: Pelleted, untreated as standard
- Packaging: Available in 250, 1,000, 5,000, 50,000 and 100,000 seed packs
Also consider Elizium F1 and Gladius F1 romaine alternatives.
Crispol is a new mini-romaine-iceberg lettuce cross with much better head shape, bolting and tip burn than existing varieties.
Crispol has a great closed head shape, is a medium sized with a medium green color suitable for production in all regions and across all seasons. It has sweet inner crunchy leaves with good tip burn tolerance and bolting resistance.
High Disease Resistances (HR) Nr: 0
Use Hearts: Single leaf for wraps
Seed from this supplier is untreated and pelleted as standard
Overview
Solid Heart F1 is a romaine variety with Tomato Bushy Stunt Virus resistance, Corky Root Rot tolerance, and very high tolerance to Tipburn and Fringe-Burn. With excellent bolting tolerance under extremely high temperatures, Solid Heart can be harvested as a mini head or at full maturity (~75 days) — maturing 2–3 days later than Solid King.
Key Performance Characteristics
- Type: Romaine (mini or full head)
- Maturity: ~75 days (2–3 days later than Solid King)
- Harvest flexibility: Mini head or full maturity
- Recommended spacing: 10–12 inches
- Tipburn tolerance: Very high
- Fringe-burn tolerance: Very high
- Bolting tolerance: Excellent — even under extremely high temperatures
- Corky Root Rot: Tolerant
- TBSV: Resistant
Seed Specifications
- Seed treatment: Pelleted, untreated as standard
- Packaging: Available in 250, 1,000, 5,000, 25,000 and 50,000 seed packs
Also consider Solid King F1 (matures 2–3 days earlier) and Elizium F1 romaine alternatives.
Microgreen Sweet Mix / Lettuce Sweet mix.
Our new SWEET Lettuce will give some flavor and color to your salads with a blend of Freckles, Speckles, Red Romaine, Green Romaine, Red Leaf 1006 and Tango.
Sold as Raw seed only.
Lettuce seed from this supplier is untreated as standard.
Romaine Intred is a Red little gem type with a unique internal red color. Very nice heart shape, medium size, good shelf life and medium bolting tolerance. These mini romaines are gaining popularity and are a favorite at farmers markets because of their color. Resistances Bl 1,3-13, 18,22,25,27.
Lettuce seed from this supplier is Untreated as standard.
Thumper is a compact Little gem lettuce with a good uniform head shape. The variety is very stable, strong against tip burn and very slow bolting.
Thumper is an excellent choice for greenhouse crops.
Bremia resistance 1-28 and Highly resistant to Nasanovia.
Unlike field varieties that are widely sold for use in greenhouse, these varieties are smaller framed allowing for higher plant populations with exceptional rates of growth that reach maturity much more quickly.
Pelleted Seed
Lettuce seed from this supplier is untreated as standard.
Rafael RZ is a small cos (romaine) lettuce suitable for indoor or outdoor production. Medium to dark green color with very uniform head shape and leaf wrap. Rugged leaves with strong bolting and tip burn resistance.
- Type: Small cos / romaine
- Color: Medium to dark green
- Head: Very uniform shape and leaf wrap
- Bolting resistance: Strong
- Tip burn resistance: Strong
- HR: Bl:16-20, 22-25, 29, 30, 33-35EU / Fol:1 / Nr:0
Alternatives: Thumper, Amadeus.
Pelleted Seed
Lettuce seed from this supplier is untreated as standard.
