Echoes of the Garden

In the Garden

A Delicate Spring Green


Lactuca sativa

The wild ancestors of lettuce were originally found in Asia Minor. We don't know exactly when it was domesticated but the first recorded cultivation of it was in Egypt around 2500 BCE. It traveled to Rome around 50 CE. It was brought to the Americas by Christopher Columbus in the 15th century.

There are three main types of lettuce: leaf, cos, and head. Each has advantages and disadvantages but all share the same cultivation requirements.

By MyName (Mahlum) (Own work) [Public domain], via Wikimedia Commons

Lettuce is a half-hardy annual. That means it will survive light frosts but will die as soon as it sets seed. It's particular about the soil temperature when it germinates. It is definitely a cool weather crop and the seed won't germinate at all in temperatures above 80 degrees.

It prefers a rich, well-drained soil with a PH of at least 6.0. It does best if you can give it full sun in the morning but partial shade in the heat of the afternoon. Try planting it in an east to west oriented raised bed with a trellis affixed to the west end of it. Plant a sun-loving vine, such as cucumber, to grow up the trellis.

Plant it in cold frames very early in the season and again very late in the season. It will winter over even in very cold climates if the cold frame is well-insulated.

If you don't have a cold frame, try planting a small block of lettuce about a month before your first frost and just before the frost hits surround the planting with four straw bales. Cover the top opening with an old window or a piece of plexiglass. Instant cold frame. Just keep an eye out for rodents making homes in the straw and eating your lettuces.

Heat will also cause the plant to set seed (called bolting). Once lettuce bolts, it becomes bitter and tough. Most gardeners pull it out at that point. I usually continue to harvest it for about a week after it bolts. It's no longer suitable for use as a salad but it's perfectly acceptable when cooked. If yours bolts, you can try saving the seeds

You can also intersperse blocks of lettuce between blocks of taller crops, such as twig- trellised or bush peas, in wide rows.

Lettuce takes well to hydroponic growing so that you can enjoy it fresh year round and even if you have no space outside for a garden.

I start a pot of Black Seeded Simpson in late February and grow it in a sunny window. Not only does it make me feel like spring is that much closer but I get fresh salad as well. If you have a small garden or perhaps only a balcony, a pot of lettuce may be the way to go. Here is a good video showing what you need to plant one.  I start my pot with seeds, though.

Lettuce is plagued by a small horde of pests including slugs and snails, flea beetles, caterpillars, any number of leaf eating insects, rabbits, and deer. Row covers will go a long way to protecting against many of these and others will only be a problem at certain times of year.

It's also troubled by a number of viral and bacterial diseases. Good garden hygiene practices and resistant varieties will keep these to a minimum.

Fedco seeds and Baker Creek Heirloom Seeds both carry a large selection of lettuces to delight the eye and the palate. Enjoy browsing their offerings!

Did I forget anything? Do you have a favorite lettuce? Let me know how you grow it in the comments below. Thanks for stopping by!

Tomorrow's Trencher Trove will go for a bit of adventurous.

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The information and recipes contained on this site are presented for intellectual and historical interest only. If you are looking for medical advice, please consult with a licensed physician. If you choose to try any recipe for the sake of adventure or curiosity, you do so at your own risk.

About Me

About Me

My interest in plants started young. While most of my friends were playing with Barbie or dreaming of horses, I was out in the fields of our farm creating imaginary villages and caching collected seeds, roots and herbs against winter need. When I discovered the library and field guides, I realized that I had found my passion- the interaction between plants and people. While my caching habits have switched to saving more useful plants, some things don’t change. I still …
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