When to plant tomatoes in the UK depends on your location, the weather and whether you’re growing indoors or outdoors. Plant too early and frost can kill them. Plant too late and yields suffer.
This guide shows the best planting times, how to protect young plants and when to move them outside safely.
Best time to plant tomatoes in the UK
Indoor sowing
Start seeds indoors from late February to early April.
Moving outdoors
Transplant after the last frost – usually late May to early June.
Regional differences
- South England – earlier planting
- Midlands – mid-range dates
- North & Scotland – later planting
How to plant tomatoes
What you need
- Tomato seedlings
- Compost
- Large pots or garden bed
- Canes or cages
Planting steps
- Harden off plants for 7–10 days
- Plant deep to encourage roots
- Water thoroughly
- Support with stakes
Indoor vs outdoor tomatoes
Greenhouse tomatoes
Plant from April.
Outdoor tomatoes
Plant from late May.
Protecting young plants
- Use cloches
- Cover with fleece
- Bring inside at night
Common mistakes
- Planting too early
- Skipping hardening off
- Overcrowding
FAQ
Can I plant tomatoes in April?
Only in a greenhouse or indoors.
Should I pinch out shoots?
Yes for cordon varieties.
How long until harvest?
Usually 12–16 weeks.
Related guides
- Why Are My Tomato Leaves Turning Yellow?
- How to Overwinter Potted Plants
- How to Grow Chillies in the UK
Helpful resources
Suggested tags: tomatoes, planting guide, gardening calendar
Suggested category: Gardening
