Onyx lettuce (Onyx) is an early semi-head leaf lettuce variety of Lollo Bionda type, developed by the Dutch breeding company Nunhems Zaden. This variety features light green leaves with pronounced ruffles and wavy edges. The lettuce head is loose, weighing between 200 to 250 grams, with whole, shiny, crisp, juicy leaves free of bitterness. Due to its excellent flavor and nutritional value, Onyx lettuce is a valuable source of folic acid, vitamins, and minerals, making it an ideal choice for fresh dishes and dietary nutrition.
The variety exhibits high adaptability and tolerance to growing conditions, allowing successful cultivation both outdoors and in greenhouses throughout the year. The vegetative period is approximately 65-70 days. Onyx is resistant to bolting, ensuring prolonged shelf life and product quality. Additionally, the variety shows high resistance to leaf edge burn, leaf aphids (Nasovia), and downy mildew (Bremia BL 1-17,19,21,23), reducing the need for treatments and simplifying care.
Key advantages of Onyx lettuce include its stable productivity even under unfavorable growing conditions, heavy heads, and prolonged freshness. These qualities make it popular among farmers and gardeners seeking high-quality, disease-resistant produce. Onyx lettuce is ideal for fresh consumption, allowing for dietary diversity and providing the body with beneficial nutrients.
