Butterhead lettuce is usually known for being among the most heat-tolerant and bolt-resistant of all the lettuce types.
What lettuce grows best in heat?
Heat-tolerant lettuces:
- ‘Black Seeded Simpson’ (Leaf Lettuce)
- ‘Great Lakes 118’ (Crisphead)
- ‘Ice Queen (Reine des Glaces)’ (Summer Crisp)
- ‘Little Gem’ (Romaine)
- ‘Marvel of Four Season’ (Butterhead)
- ‘New Red Fire’ (Leaf Lettuce)
- ‘Parris Island’ Cos (Romaine)
- ‘Red Sails (Leaf Lettuce)
Can lettuce grow in 100 degree weather?
Lettuce typically does not germinate outdoors in temperatures over 80 degrees. In the Vegepod, it not only germinated, but thrived and we were eating fresh salads in just three weeks. Yes. Three weeks.
Can lettuce grow in hot temperatures?
Lettuce seeds germinate poorly in warm summer soil since heat may cause seed dormancy. Lettuce may bolt in response to the stress of high temperatures, and the leaves may become bitter as the plant puts its growth into flowering (see photo at right).
How much heat can lettuce tolerate?
Lettuce can tolerate a few days of temperatures from 80 to 85°F, provided that nights are cool. Lettuce seed will germinate at 35°F, but optimum germination is 70 to 75°F.
What lettuce grows in full sun?
Heat Tolerant Lettuces
- Bibb/Butterhead Buttercrunch, Pirat, Divina.
- Crisphead Anuenue, Magenta.
- Leaf Black Seeded Simpson, Green Salad Bowl, New Red Fire.
- Romaine Little Gem, Parris Island Cos.
How do you keep lettuce cool in summer?
Water evaporating from the soil provides natural cooling. Water your lettuce plants every day—and even more often if it is extremely hot and dry. The lettuce leaves are comprised mostly of water and will desiccate and wilt in strong sunlight and dry soil.
What temp kills 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.
Is green ice lettuce heat tolerant?
The Green Ice lettuce variety is extra crunchy and super sweet. Resistant to heat and slow to bolt.
How do I protect my lettuce from the sun?
Give your lettuce plants afternoon shade, either on the east side of a building or in the shade of taller plants. You can also protect them with a 40% shade cloth. Just be sure to elevate the shade cloth to allow plenty of air circulation around the plants.
Can I grow lettuce in full sun?
Soil, Planting, and Care
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.
Is Buttercrunch lettuce heat tolerant?
Buttercrunch butterhead lettuce.
Smooth green leaves, heat tolerant. All-America winner. Ready for harvest in 68 days.
What temperature is too hot for spinach?
Once the days warm up and the temperature reaches the 80⁰F, spinach will want to bolt. Therefore, with a spring planting, this plant’s productive life usually stops by the end of May.
Can you grow lettuce in 80 degree weather?
Ideally, for tasty lettuce growing, you need to keep your soil temperatures between 45 and 80 degrees. Keeping below 80 degrees is hard to do here. Fortunately, there’s a trick to preparing a place to plant and even keeping it growing without bolting. Choose a shaded place and then moisten the ground.
Is Black Seeded Simpson lettuce heat tolerant?
This leaf lettuce with large, loose, light green, lightly crumpled leaves is a popular standard among green leaf lettuces. Its inner leaves blanch nearly white. The plant is large and upright, and is slow to bolt. It withstands heat, drought, and frost.
What salad greens grow in summer?
Summer-Lovin’ Salad Greens
- Edible Red Leaf Amaranth. Also known as Chinese spinach, edible red leaf amaranth grows quickly — especially in hot, hot weather — and can be harvested a month after sowing.
- Perpetual Spinach.
- Vulcan Chard.
- Komatsuna.
- Malabar Spinach.
- Tokyo Bekana.
- Yukina Savoy.
- Mizuna.
Which 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!
What is best tasting lettuce?
Romaine. If you’ve ever had a Caesar salad, you’ve had romaine, also known as cos lettuce. With a long, upright head of crisp, pale green leaves sporting crunchy midribs, romaine—particularly the lighter leaves toward the center (the heart)—is more flavorful than some other varieties.
Does romaine lettuce need full sun?
This is the classic romaine. Its compact, dark green rosette of tall, upright leaves is slightly curly with white hearts and has a crisp, sweet flavor. Slow to bolt. Grows best in full sun, but will tolerate partial shade and even appreciates it in spring in hot climates.
What is summer crisp lettuce?
Batavia/Summer Crisp Lettuce
Batavian or Summer Crisp Lettuces have a characteristic tall open head shape and crisp sweet leaves that can be harvested as baby leaf or full heads. They are relatively tolerant to hot weather, easy to grow, and offer harvest versatility.
What vegetables are heat tolerant?
15 Top Veggies to Grow in the Heat
- Sweet Potatoes. Sweet Potatoes grow well in summer and produce abundantly in as little as 90 days.
- Southern Peas. Southern Peas, also known as cowpeas are wonderfully versatile.
- Yard Long Beans.
- Hot Peppers.
- Green Beans.
- Okra.
- Zucchini Squash.
- Sunflowers.