Type: Butterhead
Regions: Eastern U.S.
Other: Beautiful, dark-red color. It's suited for full season production.

EnzaZaden.us; RuppSeeds.com

Type: Batavian
Regions: All U.S.
Other: Bright green with thick leaves.

SeedsbyDesign.com

Type: Romaine
Disease package: High resistance to downy mildew (Bremia lactucae) (Bl, 1-27 29/CA:I-VI). Intermediate
resistance to lettuce mosaic virus (LMV) and tomato bushy stunt virus (TBSV).
Other: A tall, upright romaine best suited for spring harvest in warmer southern areas and summer production for cooler areas. Tight internodes and v‐shape make this best for romaine hearts. It's also suitable for carton and fresh market. 'Arroyo' has shiny, dark green leaves. It's also adaptable to a broad season.

EnzaZaden.us; RuppSeeds.com; Siegers.com

Type: Butterhead
Days to Maturity: 53
Regions: Well adapted
Other: An attractive butterhead that produces firm heavy heads with a tender, slightly blistered leaf. This versatile variety is tolerant to bolting and holds its deep red hues well in the heat. Best used for Spring and Fall production. 'Cervanek' maintains uniformity and quality in variable conditions.

SEMO.cz; HarrisSeeds.com

Type: Batavian
Regions: All U.S.
Other: Beautiful red leaves. Slow to bolt.

TerraOrganics.com

Type: One-cut lettuce
Regions: North America
Other: 'Eazyleaf' is a one-cut lettuce, featuring brilliant colors and diverse leaf shapes. The 16 currently available varieties all reflect European tastes, with superior texture, loft, and visual appeal for the North American market.

EnzaZaden.us

Type: Batavian
Regions: All U.S.
Other: Green leaves with dark red edges.

SeedsbyDesign.com

Type: Romaine
Regions: Northeast, Mid-Atlantic, and Midwest
Other: Fresh whole-head or processing

RijkZwaan.com; StokeSeeds.com

Type: Mini red romaine
Weight: 4 ounces
Disease package: High Resistance to downy mildew 1-8, 16-27, 29, and 32, and lettuce dieback complex
Days to Maturity: 50
Regions: Northern Climates, Controlled Environment
Other: This early to market variety has an open habit and smooth butterhead-like leaves of deep intense red on the outside and red to green inside. A unique color combination for salad mix, hearts or plating.

USA.VitalisOrganic.com; HarrisSeeds.com

Type: Multi-leaf lettuce
Disease Package: High resistance to downy mildew EU 16-32, 34 and to Nasanovia
Days to Maturity: 55
Regions: All
Other: Mature flavor, texture, and shelf-life in a salad leaf product, 'Salanova Green Butter' is ideal for whole-head sales or cut for packaged mixes.

RijkZwaan.com; JohnnySeed.com

Type: Multi-species, multi-pellet lettuce seed
Disease package: Heat tolerant
Days to maturity: 28 to 49
Regions: All regions. Also good for fresh market hydroponic production.
Other: Summer Picnic Mixture is a multi-species multi-pellet with three or more seedlings per pellet. A great
season extender! Heat-tolerant, late-bolting mix of red and green lettuces.

PanAmSeed.com

Type: Multi-species, multi-pellet lettuce seed
Days to Maturity: 28 to 49 days
Regions: All regions. Also good for fresh market hydroponic production
Other: City Garden Mixture is a multi-species multi-pellet with three or more seedlings of Red and Green lettuces per pellet.

PanamSeed.com

Type: Boston/Butterhead
Days to Maturity: 68
Disease Package: Intermediate resistance to Bl, 1-26;
LMV; and lettuce leaf aphid (Nasonovia ribisnigri) (Nr)
Other: Brilliant red color half way down the leaf with a brilliant green contrast towards the core. Large head is used for both processing and carton. Great texture, slow bolting. Multi-race resistance to downy mildew. Expensive seed and worth it.

RijkZwaan.com; Siegers.com