Cos varieties are my favourites, take about ten – eleven weeks to grow up, and outer leaves can be harvested while the lettuce is still growing. The following Buttercrunch plant info discusses how to grow lettuce ‘Buttercrunch’ and its care. Can you regrow lettuce in water? You can start head lettuce indoors approximately one month before it should be planted outdoors. I tried the butter lettuce with roots first and it did ok. Three days ago I put butter lettuce bottoms with no roots and surprise! Heading Lettuce Whether you've run out of space in your garden or you want to grow lettuce year round, you can grow lettuce plants quickly and easily indoors. Lettuce is one of the best vegetables for new gardeners. Included in these are mignonettes, oak leaf and butter varieties, and are best harvested as required. Planting: Space 6 to 18 inches apart, depending on lettuce type. Crisphead lettuce, or head for short, is the lettuce we know as Iceberg. _____ Lettuce Harvest Tips. The best way to prevent fungal and bacterial diseases is to rotate crops. As the plants grow, you can harvest the outer leaves only, leaving the inner leaves to grow. Store in the refrigerator till dinner. They spread mosaic virus (stunts plant growth) and cover the plants in an unsightly sticky honeydew (excreted by … Grow lettuce seedlings outside of the water culture system, and once they are around 2 inches tall, transplant them into a net pot and place the pot in the reservoir. New to Chowhound? Butter King is an All American Selection Winner. Lettuce aphid has the potential to cause significant damage to crops, is difficult to control with chemicals and is an effective virus vector for tomato spotted wilt. There are varieties of lettuce that are resistant to this particular aphid and there are some limited chemical controls. Buttercrunch Lettuce. You could plant lettuce next to your tomato plants or in the same row as your corn. Butterhead lettuce, like most lettuce, does not do well with severe temperatures, so if you are in a warmer climate, you may have been reluctant to grow this green veggie…until now.