Trinity has a very firm head of 650 to 670 gr within 35 days. Resistant to bolting. Tolerant to Cercosporiose (Cercospora longissima) and Sclerotinia. Sowing in blocks or mini-blocks. Can be transplanted after 3 weekss. Planting density : 9 to 12 plants/m2. Watering regularly to avoid bolting. Harvest : 2 months after sowing.