Tacitus F1 Romaine Lettuce — Tipburn Resistance Meets Dark Green Elegance
by Paramount Seeds on Jul 30 2026
Romaine Tacitus F1
Tacitus F1 is a medium to large framed romaine lettuce variety bred for consistent performance across field, greenhouse, and hydroponic production systems. With excellent tipburn resistance and striking dark green open hearts, Tacitus delivers both quality and reliability for year-round growers. Browse our full lettuce collection to compare varieties.
Key Features
- Excellent tipburn resistance: Reduces crop losses in warm or low-airflow environments — critical for indoor and greenhouse production. See our guide on controlling tipburn in hydroponic lettuce for management strategies.
- Dark green, open hearts: Attractive presentation with a classic romaine structure that performs well at retail and foodservice.
- Medium to large frame: Consistent sizing makes Tacitus ideal for both whole-head and cut applications.
- Versatile production: Suited to field, greenhouse, and hydroponic systems — indoor and outdoor.
- Pelleted, untreated seed: Easy to sow with precision seeding equipment; no seed treatment applied.
Production Systems
Tacitus F1 adapts seamlessly across growing environments:
- Greenhouse & Hydroponic: Thrives in controlled environments where tipburn management is a priority. See our growing media guide for substrate options suited to romaine production.
- Field production: Performs reliably outdoors with consistent head development.
- Indoor vertical farming: Compact, upright growth habit suits high-density production systems.
How Tacitus Compares to Other Romaine Varieties
Choosing the right romaine for your operation depends on your production system, target market, and disease pressure. See our guide to romaine lettuce varieties for greenhouse production to compare Tacitus against other options. For a broader look at lettuce diseases to watch for, our lettuce disease identification guide is a useful reference. For guidance on reading resistance codes on variety data sheets, see our disease resistance codes guide.
Breeder
Tacitus F1 is a Rijk Zwaan variety — one of the world's leading vegetable breeding companies, known for innovation in lettuce genetics and disease resistance.
Further Reading
- Controlling Tipburn in Hydroponic Lettuce
- Lettuce Disease Identification Guide for Greenhouse Growers
- Romaine Lettuce Varieties for Greenhouse Production
- Greenhouse Growing Media Compared
- How Is Seed Pelleted? Inside the Process
Shop Tacitus F1
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