Tokyo in March: what to plant
Averaged over the last 5 years of daily records, March in Tokyo runs 5.5–14.9°C with about 147 mm of rain across the month. Here is what that climate actually supports.
❄️ In 2 of the last 5 years, Tokyo saw at least one night at or below 0°C in March (record low -1.7°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 58 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🌿 Spinach about 77 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🥬 Bok Choy about 87 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🥗 Lettuce about 105 days to harvest Recent mean 10.2°C — right in the sweet spot
Leave these for another month
- 🎃 Pumpkin — Recent mean 10.2°C is too cold (ideal 16–30°C)
- 🌽 Sweet Corn — Recent mean 10.2°C is too cold (ideal 16–32°C)
- 🥒 Zucchini — Recent mean 10.2°C is too cold (ideal 16–30°C)
Other months in Tokyo
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.