A. Hi Joan, the best cold hardy winter lettuce varieties are Cos, Tom Thumb, Little Gem, Lamb’s Ear lettuce, Corn Salad, loose leaf varieties such as oak leaf green and red, mesclun winter greens, there is a hearting variety called Imperial Triumph that is cold tolerant.
What is the hardiest lettuce?
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 best lettuce for winter?
Lettuce thrives well into winter in a cold frame or hoop house. Choose cold-hardy varieties such as Romaine or Cos, Buttercrunch or Bibb, and loose leaf lettuces.
How cold can Romaine lettuce tolerate?
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 is winter lettuce?
Those varieties of lettuce sold as “winter” lettuce are particularly cold hardy and able to grow in low light conditions. Sow Winter lettuce or plant out small plants directly into the veg plot in Autumn from August until around November, depending on the conditions.
What lettuce is frost tolerant?
Lettuce is tolerant of cold temperatures for short periods of time, although growth will slow down. To protect lettuce in frost-prone areas, plant romaine or butterhead lettuce, which are the most cold-tolerant. When frost is predicted, cover the garden with sheets or towels to provide some protection.
What is the most cold hardy vegetable?
According to Myers, the hardiest vegetables that can withstand heavy frost of air temperatures below 28 include spinach, Walla Walla sweet onion, garlic, leeks, rhubarb, rutabaga, broccoli, kohlrabi, kale, cabbage, chicory, Brussels sprouts, corn salad, arugula, fava beans, radish, mustard, Austrian winter pea and
What lettuce grows all year round?
Lactuca sativa
Lettuce All Year Round Lactuca sativa is an excellent lettuce and as the name suggest suitable for planting almost any time. It produces tight solid hearts and is very hardy. Seed packet contains 1000 seeds. Sow thinly, 5mm (quarter-inch) deep in rows 25-30cm (10-12in) apart.
What type of lettuce is all year round?
butterhead
You may never need another lettuce variety again. As the name suggests, this is one you can sow and grow at any time of the year: as a general rule expect to pick your lettuces around 10 weeks after sowing.
When should I start winter lettuce?
Growing full-sized heads of lettuce for winter
Planting in garden beds (to be covered with a mini hoop tunnel or portable cold frame in mid to late autumn) – Sow seeds 10 to 11 weeks before the first average fall frost date.
How cold can cabbage plants tolerate?
about 26 º F.
Cabbages can take cool temperatures down to about 26 º F. They are often planted later in the year for a fall harvest, but if you start them early enough, you can still get a crop before it gets too hot. A light frost improves the sweetness of cabbages.
How cold is too cold for spinach?
Optimum growing temperature is 50⁰ F to 60⁰ F, but young seedlings can tolerate temperatures as low as 15⁰ F to 20⁰ F. Try to keep the soil consistently moist because spinach will bolt if the soil dries out.
Can spinach survive a freeze?
With a cold frame and the added help of a fabric row cover, spinach will survive temperatures as low as 0 degrees (Fahrenheit) for an extended period of time. Just be sure to wait until temps are above freezing before you harvest.
What is the coldest temperature for lettuce?
How to Grow: Lettuce is a cool-weather crop that thrives in the temperature range 60-65 degrees F, and if thoroughly hardened, most varieties survive temperatures as low as 20 degrees F. Cold-adapted varieties survive much lower temperatures.
Can romaine lettuce survive winter?
All types of lettuce, including romaine (also called cos) are cold-weather vegetables that can withstand brief frosts and even freezes, although they may experience some outer leaf damage.
Can romaine lettuce be grown in winter?
Lettuce Varieties Suited for Cold Weather
For example, Winter Density (butterhead/romaine cross), Cimmaron (red romaine), Rouge d’Hiver (red romaine), Winter Marvel (butterhead), and North Pole (butterhead) are all very hardy and can grow well throughout the winter with some protection.
Is iceberg lettuce cold hardy?
Iceberg lettuce is a cool weather crop that thrives best in temperatures between 50 to 65°F. It loves the cool nights of northern climates. If properly hardened off and established, the plants can handle hard frosts down to 20°F, but may have some leaf damage.
Can I grow lettuce in an unheated greenhouse over winter?
Many types of leafy, green vegetables can thrive in a winter greenhouse. Do you crave fresh salads during the winter months? Many varieties of lettuce are sensitive to freezing but some types, such as endive and radicchio, are rugged enough to tolerate the cold.
Can lettuce tolerate freezing temperatures?
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 is the easiest vegetable to grow in winter?
Winter veggies require a rich and nourishing soil to keep them thriving through the cooler climate.
Vegetables that will grow successfully during the winter time:
- Garlic.
- Spring Onions.
- Carrots.
- Beetroot.
- Cauliflower.
- Broccoli.
- Spinach.
- Potatoes.
What is the coldest plant can handle?
Most can’t handle temperatures below 10 degrees at all.
Plant damage might already happen with temperatures below 13 degrees (for instance with begonias). What is this? A few might be able to temporarily tolerate chilling temperatures but that doesn’t mean that they really enjoy it!