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)
What is the most heat-tolerant lettuce?
Butterhead lettuce is usually known for being among the most heat-tolerant and bolt-resistant of all the lettuce types.
Can you grow lettuce in the heat of the summer?
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 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.
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.
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.
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.
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.
How do you make lettuce grow bigger?
Lettuce grows best in loose, cool soil with good drainage. The addition of organic materials, such as compost or manure, will increase drainage, provide essential nutrients and improve your lettuce growing conditions. If you’ve had trouble with lettuce growth, consider purchasing a soil test kit.
How often should lettuce be watered?
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 is a cool weather crop and is best grown in spring and fall. The seeds germinate in temperatures as low as 40 F (4 C) but its ideal germination and growing temperature is between 60 and 65 F (16 to 18 C).
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.
What is the best fertilizer for lettuce?
8 Best Fertilizers for Lettuce in 2022
- Dr.
- Down to Earth Organic Vegan Fertilizer Mix.
- Jobe’s Organics All Purpose Granular Fertilizer.
- Neptune’s Harvest Organic Hydrolized Fish & Seaweed Fertilizer.
- Miracle-Gro Shake ‘N Feed All Purpose Plant Food.
- Burpee Natural Organic All Purpose Granular Plant Food.
What is the best vegetable to grow in summer?
Popular Vegetables to Grow in Summer
- Cucumbers.
- Tomatoes.
- Peppers.
- Squash.
- Sorrels.
- Beans.
- Greens.
- Berries.
What type of lettuce grows the fastest?
Some of the fastest growing lettuce varieties include: Flashy Trout Back, Buttercrunch, Jericho, Green Saladbowl, Red Sails, Clearwater, Deer Tongue, Waldmann’s Dark Green, Tambay, Alboreto, Powerhouse, and Little Gem. All of these lettuce varieties will be ready for harvest in less than 6 weeks from planting.
What is the tastiest 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.
Can you grow romaine in summer?
As an example, you can crop your romaine lettuce leaves when they reach around four to six inches in height. This is the cut-and-come-again harvesting technique. This technique will help the plant grow new leaves faster during the summer.
What leafy greens can tolerate heat?
Heat Tolerant Greens for Summer
- Swiss Chard. Swiss Chard (Beta vulgaris var.
- Malabar Spinach.
- New Zealand Spinach.
- Garden Purslane.
- Vegetable Amaranth.
- Orach.
What greens grow in the heat?
Heat Tolerant Greens to Try This Summer
- Perpetual Spinach (Leaf Beet Chard)
- Jericho Romaine Lettuce.
- Red Malabar Summer Spinach.
- Speckled Bibb Lettuce.
Does spinach grow in hot weather?
Success in growing spinach in summer will vary depending upon climate. Those with cool summer temperatures may have moderate luck. Growers attempting to grow during the hotter months of the year; however, should look for summer spinach varieties. These cultivars may be labeled as “slow bolt” or heat tolerant spinach.
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.