How to Grow Lettuce


  • Sowing Instructions
  • Thinning out
  • How to Transplant
  • Crop Maintenance
  • How to Harvest
  • Storage
  • Pests & Diseases

Sowing Instructions

Thinning Out

How to Transplant

  • Indoor grown seedlings & seedlings grown in seed beds will require transplanting later
  • Transplant seedlings once they have developed the 4 /5 true leaves
  • True leaves are the leaves which grow directly after the seed leaves
  • Space seedlings in 15cm in rows. Space rows 20cm apart
  • Soil: A rich soil is perfect for lettuce
  • However lettuce also does well in average soil
  • Doesn't like acidic soil. Keep ph below 6.5
  • Well drained with plenty of humus is preferred
  • The site should be open to full sunshine
  • Suitable for raised beds or pots

Crop Maintenance

  • Ensure seedlings are kept moist at all times
  • Keep rows weeded
  • Lettuce is known to bolt in hot weather - Best to avoid mid summer crops


  • Water well the week before harvest
  • Harvest as soon as lettuce heads are large enough
  • Take lettuce heads early in the morning for optimum flavor and crispness
  • Harvest is over when the central stem starts to form


  • Lettuce will keep in the fridge for a few days
  • Best to harvest lettuce when you need it, does not keep well

Pests & Diseases

  • Pests: Slugs are the main cause of concern
  • Damage: Slugs eat the leaves
  • Bolting and scorching is quite common
  • In damp conditions, the fungal disease grey mold can occur

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