Valmaine Lettuce Plants – How To Grow Valmaine Romaine Lettuce Plants


By: Darcy Larum, Landscape Designer

Are you looking to grow reliably crisp and sweet romaine that you can pick from all season for quick, fresh salads? Might I suggest, the romaine lettuce ‘Valmaine,’ which can produce sweet, crisp salad greens during the summer, long after other lettuces have bolted and become bitter. Read on for more information about Valmaine romaine lettuce plants.

What is Valmaine Lettuce?

Valmaine lettuce plants are a favorite for authentic Caesar salads, and they are often found it packaged salad mixes. This is because they so readily grow from seed, mature to sizeable heads in about 60 days, and have better tolerance of cold or heat than other romaine lettuce plants.

Valmaine romaine lettuce and its hybrids are commercially grown in the southeastern United States because they are resistant to both the serpentine leaf miner and the banded cucumber beetle, which cause devastating crop losses in commercial lettuce fields.

How to Grow Valmaine Romaine Lettuce

There are no special tricks to growing Valmaine lettuce. It will grow best in full sun, but can be grown in to midsummer if given some light shade from the afternoon sun. Like all lettuce, Valmaine lettuce plants grow best in cool seasons, but this variety does not bolt in summer as quickly as others.

Also, because of their frost tolerance, they can be grown earlier in the season or year round in warm regions. In cooler climates, cold frames and greenhouses can extend the growing season. Valmaine romaine lettuce will grow in any fertile, moist garden soil.

In the home garden, Valmaine lettuce seeds can be sown directly in the garden in spring when the ground is workable. Seeds should be planted in rows with plants thinned to 10 inches (25 cm.) apart. Don’t go overboard when planting; save some seeds to sow every 3-4 weeks for a longer harvest.

Valmaine lettuce is best when used right after harvesting. As the heads mature to classically romaine-shaped heads, their outer leaves can be harvested for salads, sandwiches, etc. Leaves will stay fresher and crisper when harvested on cool, cloudy days.

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Valmaine – a Nice Romaine Lettuce

If you’re looking for good lettuce, Valmaine is a great choice. It’s sweet and abundant. What more could you ask for?

It’s a romaine type lettuce so it tends to grow in a column, but you can use it just like leaf lettuce if you choose.

If you’re unfamiliar with romaine type lettuce, don’t hesitate to give them a try. You won’t be sorry that you did.

Valmaine grows easily and provides abundance. It’s cold hardy too.

This lettuce is great for sandwiches, salads, and munching straight from the stalk.

It’s light green in color and creates smooth, slightly ribbed 8 to 12 inch leaves that are broad, flat and sweet.

It blends well with other lettuces in a salad.

It’s reasonably tolerant to bolting and stays sweet even with elevated growing temperatures. That has me giving it high marks on my list of best vegetables.

If you harvest the outside leaves as the plant is developing, you’ll be sure to have several months of harvest. This approach nearly eliminates the need to succession plant. You cut the outside leaves, and it regenerates new leaves on the main stalk.

As an alternative, romaine type lettuces can be harvested in a more traditional manner by taking the whole plant once it has formed a tightly grouped column of leaves.

This whole plant approach will provide you with plenty of lettuce, but the harvest season will be measured in weeks, not months.

Romaine type lettuces are relatively cold hardy.

They can be started indoors or outside, and can tolerate temperatures well below freezing if you provide some protection from the wind.

Development is limited in cold weather, best in cool weather, and warmer conditions promote a growth and production sprint that will be challenging to keep up with.

If you grow this variety in a greenhouse, expect it to bolt after summer sets in.

Once the plant starts to bolt, the leaves will have a bitter taste to them.

I don’t mind the bitter flavor, but some folks do.

Instead of removing a bolting plant, simply cut it back to the base and it’ll regrow new shoots that will offer sweet lettuce leaves.

If you grew only Valmaine in your home vegetable garden, you wouldn’t be disappointed.

It is a great producer in a wide range of temperatures, and it requires no exceptional care.


How to Grow Lettuce

Lettuce Varieties

Lettuces are broken down into four basic types: Romaine, Crisphead, Butterhead, and Leaf lettuce. Romaine tends to be a favorite, because of flavor. Crisphead is your closely packed lettuce head, like Iceberg lettuce. Butterhead is more loosely packed than a crisphead, and have a “buttery” flavor. And Leaf lettuce is the favored lettuce of home gardeners, because it grows quickly.

Popular lettuce varieties for each type of lettuce:

Romaine
Dark Green Cos, Green Towers, Ideal Cos, Parris Island Cos, and Valmaine.

Crisphead
Great Lakes, Ithaca, Onondaga, Mesa 659, Raleigh, and South Bay.

Butterhead
Bibb and Salad Bibb, Buttercrunch, Dark Green Boston, Ermosa, Esmerelda, Nancy, Summer Bibb, Tania, Tom, and Thumb.

Leaf lettuce
Black Seeded Simpson, Grand Rapids, Lollo Rosso, New Red Fire, Green Ice, Red Sails, Oak Leaf Lettuce, Prizehead, Ruby, Sierra, Slobolt, Tierra, Salad Bowl, and Waldmann’s Green.

Preferred Growing Conditions

Lettuce is a cool season crop. It produces well when lows and high temperatures are between 40 and 60 degrees Fahrenheit, respectively. So, really, lettuce makes for a good early spring and fall crop.

Soil conditions for growing lettuce should be high in organic matter, and a pH around 6.5. Sandy, and loamy soils are the best soils for lettuce. Lettuce has shallow roots, so it’s important the soil stays moist.

How to Plant Lettuce

Lettuce takes up very little space in the garden. Also, makes a great vegetable for container gardening. Timing is important to remember when planting lettuce. Remember, it’s not going to do well in the heat, unless it’s a heat tolerant variety. Plant lettuce early, or wait until the fall.

Most lettuces grow well from seed. Lettuce seeds can be broadcasted, planted by dispersing over a fixed area, or planted in rows. For rows, plant seeds about every inch, in 10 inch wide rows that are 18 inches apart. Cover with about ¼ inch of soil. Seedlings will need to be thinned, so they have 4-8 inches between them. Give Butterhead lettuce and Romaine lettuce plants 8 inches between each lettuce plant. Head lettuce varieties will need 12 inches between them.

So, most lettuces grow from seeds, but not head lettuces. Head lettuces grow better from transplants. Growing transplants from seeds takes about 11 weeks. To get a jump start on the lettuce growing season, you’ll need a greenhouse, or something, as simple as, a coldframe. Or just buy prestarted plants, if you wish to grow head lettuces.

Remember to replant lettuce every three weeks! It’s called succession planting, and spreads out the harvest. Here’s more information on succession planting.

Companion Plants for Lettuce

Growing these companion plants around lettuce plants will be helpful: Radishes, beans, and carrots.

Some plants actually are bad to the health of lettuce plants. Avoid these plants around lettuce plants: celery, cabbage, cress, and parsley.

Maintaining Lettuce Plants

Lettuce needs a lot of water, about an inch a week. You know, lettuce itself is 90 percent water. Mulch will help keep the weeds out and maintain moisture in the soil. Spread out a good layer of mulch around the lettuce plants, about 3-4 inches deep.

When to Use Organic Fertilizer

Did you add compost to your soil? If so, you might not even need a fertilizer. Just use some mycorrhizal root builder to help the roots absorb the nutrients already in the soil. If you want to try an organic fertilizer, try some fish meal. You can use fish meal or fish emulsion once every two weeks, if you use it sparingly.

Harvesting Lettuce

Lettuce, like summer squash, needs to be harvested early. The larger lettuce grows, it will become bitter and tough. So, grab it out of the container or vegetable garden while it is tender. Keep an eye on it around 60 days after planting for transplants, and 80 days after planting seeds. It should be ready then for harvest, depending on the weather.

Harvest Tips for Lettuce Varieties:

Romaine and Butterhead Lettuce
Two ways to harvest these guys. Pick the outer leaves. Or, if you want another crop, harvest the whole plant by cutting it 1 inch above soil. Sometimes, it will grow again. Who doesn’t like a two for one deal?

Leaf Lettuce
Pick the outer leaves, only. The lettuce plant will keep growing. Leaf lettuce leaves can be picked when they are 2 inches long. Any smaller than that, and they won’t have much flavor. Harvest the whole plant when it has 4-6 inch leaves. Any bigger than that, and they will be too bitter.

Crisphead Lettuce
Harvest full lettuce plant. You can use a knife and cut at the base of the head of lettuce. But, wait until the center of the head of lettuce is firm and crispy.

Lettuce Pests and Diseases

Slugs love lettuce, and lettuce gives lots of places for slugs to hide. The easiest way to spot a slug is to look for a glittering slug trail. That’s usually my first sign that slugs are making their way to my vegetable plants. Just don’t dump salt on them! It’s gross and will mess up the balance in your soil. Be sure to check out some organic slug pest control products.

If the lettuce leaf tips start turning color, it could be the hot weather. Remember, it’s a cool season crop. Keep an eye out beetles, caterpillars, and aphids! They like to join the slugs on lettuce.

Bolting, premature production of flowers and seeds, is another common problem with lettuces. Check out this page for tips on how to handle bolting lettuce plants. It will ruin the flavor of the lettuce, so it’s a good idea to do what you can to prevent it.


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