Lettuce is a quick-growing salad crop available in many types and colours.
When to Sow
- Sow successionally Feb–Sep.
- Winter-hardy varieties can be sown in autumn under cover.
How to Grow
- Sow thinly in rows or modules.
- Space 20–30cm apart depending on variety.
- Keep well-watered to avoid bolting.
Harvesting
- Harvest 6–10 weeks after sowing.
- Cut whole heads or pick leaves as cut-and-come-again.
Polytunnel Growing Tips
- Enables year-round harvest with winter varieties.
- Protects from slugs and unpredictable weather.
- Ventilate to prevent mildew.
Quick Tips Recap
- Sow: Feb–Sep (or autumn in tunnel)
- Spacing: 20–30cm
- Harvest: 6–10 weeks
- Polytunnel advantage: Year-round salads
EasyBuild: Design Your Polytunnel in Minutes!
Thinking of getting a polytunnel? Don’t just take our word for it, try the EasyBuild Configurator and compare for yourself.
We built EasyBuild to make polytunnel growing easier, tougher, and better value. Looks like it worked.
