Plant in a block or in a wide row. Sprinkle the seeds evenly over prepared, moist soil. Try to space seeds about 1cm (½”) apart. Cover lightly with soil, and firm them in. Four grams of seed will plant a 12m (40′) row that is 7cm (3″) wide, so don’t plant the whole packet at once. For container growing, choose containers that are at least 10cm (4″) deep. Wider is better. The most common mistake is over-planting.
Days to Maturity: From direct sowing.
Moderately fertile soil – particularly if you’re planning mutliple harvests. Dig in 1 cup of complete organic fertilizer for every 3m (10′) of row. For containers, use peat or coir based mix with compost added. Water regularly. If growth slows after harvest, use a bit of kelp or fish based fertilizer to provide a boost of nutrition for the next growth spurt.
There are two methods of gathering salad greens. You can use scissors to cut everything about 2-5cm (1-2″) from the ground, when the plants are about 10-15cm (3-4″) tall. Or, you can pick individual leaves as they’re needed. The first cutting may contain more brassicas than lettuces (arugula, mizuna) but if you cut the mix back when the leaves are still small, the lettuce will catch up. The salad greens will regrow for a second harvest in another 2 or 3 weeks.
In optimal growing conditions at least 70% of seeds will germinate. Usual seed life: 3 years. Per 100′ row: 240 seeds head lettuce/1.2M seeds leaf type, per acre: 58M seeds head lettuce/348M leaf type.
Diseases & Pests
Slugs love baby greens and flea beetles love brassica leaves.
Lettuce plants make good companions for beets, Brassicas, carrot, celery, chervil, cucumbers, dill, garlic, onions, radish, spinach, squash, and strawberries.
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