London in April: what to plant
Averaged over the last 5 years of daily records, April in London runs 6.3–15.2°C with about 38 mm of rain across the month. Here is what that climate actually supports.
❄️ In 2 of the last 5 years, London saw at least one night at or below 0°C in April (record low -3.1°C). Cold-sensitive crops need cover.
Best crops to sow now
- 🌱 Microgreens Fastest about 7 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🍃 Mint about 28 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🧅 Chives about 30 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🌿 Basil about 31 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🍒 Cherry Radish about 53 days to harvest Recent mean 10.7°C — right in the sweet spot
- 🌿 Spinach about 72 days to harvest Recent mean 10.7°C — right in the sweet spot
- 🥬 Bok Choy about 79 days to harvest Recent mean 10.7°C — right in the sweet spot
- 🥗 Lettuce about 97 days to harvest Recent mean 10.7°C — right in the sweet spot
Leave these for another month
- 🌶️ Chili Pepper — Recent mean 10.7°C is too cold (ideal 18–32°C)
- 🥒 Cucumber — Recent mean 10.7°C is too cold (ideal 18–32°C)
- 🎃 Pumpkin — Recent mean 10.7°C is too cold (ideal 16–30°C)
Other months in London
Temperature and rainfall are 5-year daily normals from the ERA5 reanalysis via Open-Meteo. Suitability is scored with the same degree-day model the game runs on — it is not a generic planting calendar.