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Growing Lettuce

Jan F M A M J J A S O N Dec
  S S P P P P          

(Best months for growing Lettuce in USA - Zone 5a regions)

S = Plant undercover in seed trays P = Sow seed

  • Easy to grow. Sow in garden, or start in seed trays and plant out in 4-6 weeks.. Sow seed at a depth approximately three times the diameter of the seed. Best planted at soil temperatures between 46°F and 81°F. (Show °C/cm)
  • Space plants: 8 - 12 inches apart
  • Harvest in 8-12 weeks.
  • Compatible with (can grow beside): Carrots, Onions, Strawberries, Beets, Brassicas, Radish, Marigold, Borage, Chervil, Florence fennel, leeks.
  • Avoid growing close to: Parsley, Celery

Your comments and tips

10 Oct 16, jalannie (Australia - temperate climate)
how popular is this vegetable? an what seasons does it grow in?
08 Jul 16, Katie (Australia - temperate climate)
I left my cos lettuce to seed last season in our raised garden bed. The new plants are now growing beautifully, but they are all quite bitter. Even the baby plants. They are getting plenty of water, being winter time! Any ideas as to why this may be and what I can do about it?
20 Aug 16, Luke (Australia - temperate climate)
Usually if it's too hot lettuce can get bitter but I think it may have more to do with the soil quality, and/or Ph. I would look into the Ph and then the soil nutrient content.
29 Jul 16, Simon (Australia - temperate climate)
hi Katie, I had the same problem with red cos lettuce ... not sure wat can be done, its a shame no one replied with a solution!
13 May 16, Avril (South Africa - Dry summer sub-tropical climate)
Why does my lettuce produce new leaves on top but the bottom leaves turn yellow and wilts? Looks like it is growing well, since new leave appear all the time, but the bottom leaves then wilts... What should I do, or what am I doing wrong?
02 Oct 16, May (South Africa - Summer rainfall climate)
Your lettuce is probably getting too much sun or its too dry... try putting them in a more shady spot and watering plenty?
05 May 16, janine (Australia - cool/mountain climate)
Establishing a new veggie garden in full sun in frosty rural Northern Tablelands NSW. Thinking a wire fence to keep out rabbits, roos etc. Any suggestions for a deciduous climber to grow on the fence running north-south to protect my veggie garden from the western sun in summer but warm it up in winter. Winter nights can get down to -15°C. Thank you.
30 Apr 16, Paul (Australia - arid climate)
If you grow the loose leaf types you will have better success against frost. I have frost proofed my 2 permanent beds of six different lettuce by growing them in wicking beds and aquaponics as the whole bed keeps itself protected by being a thermal mass during the night absorbing heat from direct sun in the day. Otherwise throw some heavy duty clear plastic over them last thing before the sun goes down and keep your mulch nice and thick. That will help maintain a warmer temperature during the night.
10 May 16, janine (Australia - cool/mountain climate)
Thanks for sharing these great tips for growing lettuce in frosty conditions ~ janine
26 Apr 16, Lagana101 (Australia - temperate climate)
I want to know if you can grow lettuce but only look after it about 3 times a week. Would it still be okay and not turn bitter.
Showing 21 - 30 of 183 comments

Why is it that so many of vegetable plants go to seed before 'hearting'. Mainly lettuce?

- john shanahan

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This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. Gardenate is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.
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