Key takeaways
- Hardy crops like broad beans and peas can be sown outdoors from late February at 7C soil temperature
- Tender crops including tomatoes and courgettes must start indoors from March at 18-21C
- Northern UK gardeners should delay outdoor sowings by 2-3 weeks compared to southern timings
- Successional sowing of lettuce and radish every 2-3 weeks provides continuous harvests
- The master calendar below covers sow, plant out, and harvest dates for 26 vegetables
Our team produces practical UK gardening guidance from source research, contributor records and established horticultural practice. Editorial standards are overseen by Matt W.