How long it takes for lettuce to grow depends on what you intend to use it for. Gardeners harvest lettuce anywhere from 2 weeks to 90 days after germination. As a general rule, heading lettuces take the longest to mature. via
Will lettuce regrow after cutting?
Trimming lettuce involves cutting entire plants back to a height of between 1 and 2 inches, using a sharp knife or scissors. Head lettuce will die back, but most leaf-lettuce plants renew efforts to produce leaves, if regularly watered after trimming. via
How long does it take for lettuce to grow from a seed?
Most lettuce varieties mature in 45 to 55 days, allowing many gardeners to plant two or even three crops. But looseleaf and butterhead leaves can be harvested at just about any time in their development. Heading varieties take longer to mature. Romaine takes 75 to 85 days and crisphead 70 to 100 days. via
How long does it take lettuce to grow from transplant?
They should be ready to plant out in about 4 weeks. It is crucial to harden off lettuce raised indoors before planting out. via
How do you know when lettuce is done growing?
You'll know when to harvest lettuce leaves when they grow to about 3 to 6 inches long, depending on the variety. Keep harvesting the leaves until the lettuce plant "bolts.” This means that plant has turned its energy to producing flowers and seeds and leaves usually become bitter-tasting with tough stems. via
Does lettuce come back every year?
Yes, lettuce leaves will grow back after cutting but only if proper care and technique are used when cutting as all vegetable lettuce follow similar annual vegetable growth cycles. via
How do you trim lettuce so it keeps growing? (video)
Does lettuce need full sun?
Although lettuce grows fastest in full sun, it is one of the few vegetables that tolerates some shade. In fact, a spring crop often lasts longer if shaded from the afternoon sun as the season warms. Give lettuce fertile, well-drained, moist soil with plenty of rich organic matter and a pH between 6.0 and 7.0. via
How often should lettuce be watered?
Water your lettuce plants every day—and even more often if it is extremely hot and dry. The lettuce leaves are mostly water and will desiccate and wilt in strong sunlight and dry soil. Lettuce roots tend to be shallow, so frequent watering is more important than deep watering. via
How many lettuce seeds do you plant in one hole?
Lettuce. Germination rates are around 80%, so anywhere from 1 to 3 seeds are often planted per hole. Plant at least two to guarantee a high per-hole germination rate of 96%. via
How big should lettuce be before transplanting?
Once germinated your lettuce should be placed under lights or somewhere they get direct sunlight. Lettuce should be transplanted when the plants are between 2-3 inches tall. You should harden off your lettuce plants 7-10 days before transplanting. via
Do lettuce seedlings need to be hardened off?
Hardening off your seedlings is the vital step of acclimating them to the outdoors to assure their survival. You don't want to transplant seedlings directly in the garden without “weaning” them first, and this goes for vegetables, herbs, and flowers. via
How many times can you harvest lettuce?
So, as long as you're staying within their optimal growing conditions, you can harvest from lettuce at least three or four times each. via
Is bolted lettuce poisonous?
When plants flower, it's generally considered a good thing; however, in vegetables grown for their leaves, such as lettuce, spinach, cabbage and other cole crops, bolting causes the flavor to turn bitter and the leaves to get smaller and tougher, making them inedible. via
What is the best time of day to pick lettuce?
Lettuce: Pick lettuce in the cool early morning while they leaves are still crisp. Lettuce can be harvested as delicate baby greens, or as crisp, full-bodied heads. via
How do you know when Romaine lettuce is ready to pick?
You can tell that your lettuce is mature when it looks dark green and the leaves look open; leaves should also overlap in a tight bunch. Romaine lettuce should be harvested when it's full size, but just before it's reached maturity. via