Thin Looseleaf lettuce to 4-6 inches (10-15 cm.) apart. Plant at weekly intervals starting in early April and again mid-August. Harvest these varieties either whole or by the leaf as they mature. Last but not least is one of the easiest types of lettuce to grow - the Looseleaf varieties of lettuce, which form no head or heart. Some different types of this lettuce are Brown Golding, Chaos Mix II black, Chaos Mix II white, Devil’s Tongue, Dark Green Romaine, De Morges Braun, Hyper Red Rumple, Little Leprechaun, Mixed Chaos black, Mixed Chaos white, Nova F3, Nova F4 black, Nova F4 white, Paris Island Cos, Valmaine, and Winter Density, all of which mature within around 70 days. ‘Romaine’ comes from the word Roman while ‘Cos’ is derived from the Greek island of Kos. Coloration is medium-green on the exterior to greenish-white inside with the outer leaves sometimes being tough whilst the interior foliage is tender with wonderful crunch and sweetness. Romaine varieties are typically 8-10 inches (20.5-25.5 cm.) tall and upright growing with spoon-shaped, tightly folded leaves, and thick ribs. These varieties of lettuce include: Blushed Butter Oak, Buttercrunch, Carmona, Divina, Emerald Oak, Flashy Butter Oak, Kweik, Pirat, Sanguine Ameliore, Summer Bib, Tom Thumb, Victoria, and Yugoslavian Red and are extremely popular in Europe. Less likely to bolt and rarely bitter, the Butterhead lettuce varieties mature in about 55-75 days spaced similarly to the Crispheads. These different types of lettuce may be harvested by removing the entire head or just the outside leaves and are easier to grow than the Crispheads, being more tolerant of conditions. One of the more delicate varieties of lettuce, Butterhead is creamy to light green on the inside and loose, soft, and ruffled green on the exterior. It has thick, crisp outer leaves which can be harvested as a looseleaf until the head forms, while the heart is sweet, juicy, and a bit nutty.ĭifferent types of lettuce for this variety are Jack Ice, Oscarde, Reine des Glaces, Anuenue, Loma, Magenta, Nevada, and Roger, all of which mature within 55-60 days. Somewhat between the lettuce types Crisphead and Looseleaf, Summer Crisp is a large lettuce variety resistant to bolting with great flavor. Some iceberg lettuce varieties include Ballade, Crispino, Ithaca, Legacy, Mission, Salinas, Summertime, and Sun Devil, all of which mature in 70-80 days. Start iceberg lettuce via seed directly sown 18-24 inches (45.5-61 cm.) apart or started indoors and then thinned 12-14 inches (30.5-35.5 cm.) between heads. This lettuce variety is not fond of hot summer temps or water stress and may rot from the inside out. Often found in the local salad bar and a virtual staple in the delicious BLT, it’s actually one of the more difficult lettuce varieties to grow. The five varieties of lettuce that can be grown in the garden include the following: Crisphead or IcebergĬrisphead lettuce, more commonly known as iceberg, has a tight head of crisp leaves. Let’s learn more about the different lettuce types. Each of these lettuce varieties offers a unique flavor and texture, and growing different types of lettuce will be a surefire way to generate interest in eating a healthy diet. There are five groups of lettuce categorized by head formation or leaf type.
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