Tres Fine withstands heat and cold better than lettuce, very finely curled leaf edges, compact finely curled heart, very similar to Tres Fine Maraichere.Cultural data: field planting
Growing season: cool season
Days to maturity: 85 days
Germination relative to soil temperature: Best started in a greenhouse with steady temperature of 70ºF. Avoid fluctuation of temperature until seedlings are at transplant stage.
Cultural information: avoid extremes in temperature when sowing seeds. Extremes can cause plants to bolt. Plants prefer air temperature in the 60-75ºF range. Blanch plants by tying outer leaves over the top.
Seed count: 21,000 seeds/oz. or 336,000 seeds/lb.
Diseases and pests: Molds and rot. Protect from excessive moisture.
Harvesting: Cut plants off at surface.