Celery thrives in rich, moist soils and is valued for its crunchy stems and aromatic flavour.

When to Sow
- Sow Feb–Apr indoors.
- Transplant May–Jun.
How to Grow
- Plant in blocks 25cm apart.
- Water heavily and feed well — celery needs moisture.
- Trench celery requires earthing up; self-blanching types do not.
Harvesting
- Harvest Jul–Oct.
- Cut stems as needed or whole blocks at once.
Polytunnel Growing Tips
- A tunnel provides warmth and consistent growth.
- Protects against bolting in unpredictable summers.
- Essential to maintain good watering under cover.
Quick Tips Recap
- Sow: Feb–Apr indoors
- Spacing: 25cm
- Harvest: Jul–Oct
- Polytunnel advantage: Stable growth, bolt prevention

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.












