Click Play to Learn How to Grow and Harvest Lettuce
| Common Name | Lettuce, garden lettuce |
|---|---|
| Soil Type | Loamy, rich, well-drained |
| Soil pH | Acidic, neutral (6 to 7) |
| Bloom Time | Seasonal |
| Hardiness Zones | 2a–11b (USDA) |
Where do lettuces grow best?
Lettuce prefers a bright, open position with good air circulation to promote strong, disease-free growth. Lettuce is a cool-season crop, so in hot climates you may get better results growing it in a cooler, shadier spot, especially as the young plants start out.
Where does lettuce grow best in the US?
From April through October, the primary growing areas are in California’s central coast near Salinas or a bit farther down the coast near Santa Maria and Ventura. Some production also comes from the inner Central Valleys of California. Lettuce and leafy greens are in such high demand, they are produced year-round.
What climate does lettuce grow in best?
60 to 65°F.
Lettuce is adapted to cool growing conditions with the optimum temperatures for growth of 60 to 65°F. At 70 to 80°F, the plants flower and produce seed. Lettuce can tolerate a few days of temperatures from 80 to 85°F, provided that nights are cool.
What kind of soil does lettuce thrive in?
Lettuce does best in a loose, well-drained soil, with regular watering and adequate nitrogen. Whether your soil is heavy clay or a light sandy type, the incorporation of compost will often improve the growing conditions.
Does lettuce need a lot of water?
Lettuce has shallow roots, so plants need consistent watering. Check at least twice a week and water if the soil is dry down to 1 inch deep. Containers of lettuce need to be watered more frequently than garden beds, especially in the summer.
What month do you plant lettuce?
Lettuce seeds germinate best in the cooler temperatures of spring or fall. If it’s too hot, they won’t germinate. So, the best time to plant lettuce seeds is as soon as the ground is workable in very early spring, or once the temps start to cool down in late summer or early fall.
What temperature is too cold for lettuce?
Lettuce may cope with light freezing and even one or two hard freezes, but once the thermometer reads 25°F or below, the plants are in danger. That level of cold causes ice to form in the plant tissue, regardless of the amount of moisture in the air.
What temperature is too hot for lettuce?
80°F
Lettuce is a cool-season vegetable, meaning it grows best in temperatures around 60 – 65°F. Once temperatures rise above 80°F, lettuce will normally start to “bolt” or stop leaf production and send up a stalk to flower and produce seed. The leaves become bitter at this stage.
What state grows the most lettuce?
More than 90 percent of U.S. lettuce production is located in California and Arizona. The main varieties include iceberg, romaine and various leaf varieties. Lettuce production occurs year-round throughout the United States, through a sequence of production in Arizona and California.
How long does lettuce take to grow?
You don’t have to worry about how to pick lettuce – it’s one of the simplest vegetables to harvest. Most lettuce can be harvested between 30 to 70 days after planting.
Does lettuce grow better in sun or shade?
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. You can grow lots of lettuce in a small space, even a container.
Can lettuce survive a freeze?
In general, lettuce will be able to tolerate a few freezing nights/days. However, this vegetable doesn’t do well with constant “hard” freezes, meaning the temperature drops below 28 degrees Fahrenheit. If your lettuce undergoes multiple freezes in the same week or even season, you could see it start to die.
What type of lettuce is easiest to grow?
Loose leaf lettuce
Loose leaf lettuce, which refers to varieties that don’t form any type of head, is considered the easiest to grow. It matures in 40-45 days, but no need to wait that long to enjoy it! You can start thinning (and eating the trimmings) in as little as three weeks.
Does lettuce need fertilizer?
Fertilize as often as every two weeks, with liquid fertilizer from a watering can, or granules scattered around the plants and watered in. Fertilizer helps plump up the leaves and chase away the bitterness so often found in garden-grown lettuce. And it helps keep it growing.
How do you prepare soil for lettuce?
The Lettuce needs well-drained soil with loads of organic matter (such as the crumbly compost), a bit of seaweed feed, and some mulch. The new seedlings will benefit when the soil is prepared about two weeks before planting.
Does lettuce regrow after cutting?
Head lettuce will die back, but most leaf-lettuce plants renew efforts to produce leaves, if regularly watered after trimming. Results will often be smaller than the original plant, but you may be able to harvest a second, good-tasting crop within as little as two weeks.
Does lettuce need deep soil?
Lettuces have fairly short root systems and only require about 6 inches of soil. Choosing a shallower, longer pot will give you more surface area, which means room to grow more plants. Many greens, like spinach and kale, also do well in these shallow, elongated pots.
What does Overwatered lettuce look like?
Lettuce is not one of the hardest vegetables to grow, overwatered lettuce is pretty easy to spot; it looks slimy and yucky and yellow, brown, and even black. The lettuce may look like it’s rotting or melting, because more or less it is doing just that.
Does lettuce come back every year?
Chives (Allium schoenoprasum), dill (Anethum graveolens), basil (Ocimum basilicum), parsley (Petroselinum crispum), lettuce (Lactuca sativa) and spinach (Spinacia oleracea) are just a few examples of the many plants that can return to your garden each year by spreading their own seeds.
How many times can lettuce be harvested?
As long as you’re staying within lettuce’s optimal growing conditions, you can harvest from each lettuce plant at least three or four times in a season using the cut-and-come-again method, and about two to three times using the ponytail chop method (but you’ll get more leaves with each harvest this way).