Pak choi is a fast-growing leafy brassica, ideal for stir-fries and salads.

When to Sow
- Sow Apr–Aug outdoors, Feb–Sep under cover.
How to Grow
- Space 20–30cm apart.
- Water regularly to avoid bolting.
- Pick young for baby leaves.
Harvesting
- Harvest from 6 weeks for baby leaves, 10 weeks for mature heads.
- Cut whole plants or pick leaves individually.
Polytunnel Growing Tips
- Extends season, particularly into autumn and winter.
- Reduces bolting risk compared to outdoor crops.
Quick Tips Recap
- Sow: Feb–Sep in tunnel
- Spacing: 20–30cm
- Harvest: From 6 weeks
- Polytunnel advantage: Extended season, bolt protection

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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.












