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Lettuce - Plant in the Fall - Harvest for 3 Seasons

I planted lettuce in flats August 19th during a week that temperatures remained in the 80s – perfect temps for lettuce germination. It was up in two days.


The variety Winter Density, grew quickly to 1 inch and was transplanted to the garden before September 1st.  (Fortunately, I managed to find find a small spot  that had held a little moisture in spite of severe drought conditions.)  The other varieties,Reine de Glace, Lollo Rosso, Little Gem and Baby red mix are “holding” in the flats while I wait for rain to water my beds.

I recommend you continually try new varieties along with ones that are tried and true, since some lettuces do better in winter than spring and summer. After a few seasons of this you’ll know what are “must haves” for your fall/winter garden.

Every once in a while I will plant a Mesclun mix to supplement, but I never depend on that for my lettuce.  The original idea of Mesclun was to make available at one planting greens that appeal to every taste and texture sensation.  Every mix can be a bit different so you may find one mix appealing and another not so appealing.

The advantage to planting in August is—- assuming the weather cooperates and we get rain — that you’ll have numerous salads before the cold weather and less daylight slows the growing down to a snail’s pace.

Keep in mind that during the winter there is insufficient sunlight to support vigorous growth. If you are able to plant your lettuce in August or even early September, this is the lettuce that will attain significant growth before winter and provide you with a good fall harvest. Even in winter you should get several nice salads.

Try making it your habit to plant at intervals through at least the end of October.  In any given year there are always so many variables and planting at various times increases the chances of having lettuce as many months as possible. If for some reason you lose your earlier plantings  – which can happen some years – you’ll still have backup.

Even if it is started too late to make the most of the fall light and warmth for active growth,  plants stunted by winter will transform beautifully in the early spring giving you a bounty of salad while you wait for the newly planted spring lettuce.

Planting in Flats

I always plant lettuce in flats mainly because I have found that I get excellent germination, but minimal germination when I direct seed into a garden bed.  (I’ve heard some market growers who direct seed into beds also experience this.) If you have success with direct seeding lettuce, go for it!

Flats also make it convenient to hold lettuce if conditions (like drought) are such that you can’t transplant right away. I’ve kept lettuce longer than 6 weeks this way.  It’s not ideal to be sure, but it can be done in an dire situations.


Although the lettuce seedlings require gently handling, most come apart very easily.  I plant small areas at a time – usually 3 or 4 feet long by 3 feet wide. I fit 4 or 5 rows of lettuce within this area.  (I graze my lettuce continually the minute it gets about 2 inches.  If you want to let yours mature, you will follow the more conventional advice of spacing 6 to 8 inches apart and about a foot between rows.)

Using my finger to make the rows – a little trench 2 or 3 inches deep – I place the seedlings about two inches apart the entire length of the row.  When I finish one row, I cover the roots of the seedlings and firm the soil around them.  Then go on to the next row until you complete the bed.

Lettuce shown below in a flat is the perfect size for transplanting.

Mulch and water when finished.

When you finish, “sprinkle” straw over the area by hand.  The straw is loose but I put enough on that you can’t see the seedlings.  Then I water them to settle the soil around the roots.  As they grow they will have no problems finding their way through the straw.  I do not water again unless we are in drought conditions and even then, I wait until the soil an inch or so down is totally dry.

The lettuce shown below has been in the ground about 2 weeks.  It is working its way up through the straw.  I “sprinkled” more straw on after this picture was taken.