Chengdu in December: what to plant
Averaged over the last 5 years of daily records, December in Chengdu runs 4.7–11.6°C with about 11 mm of rain across the month. Here is what that climate actually supports.
❄️ In 3 of the last 5 years, Chengdu saw at least one night at or below 0°C in December (record low -2.8°C). Cold-sensitive crops need cover.
Best crops to sow now
- 🌱 Microgreens Fastest about 8 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🍃 Mint about 30 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🧅 Chives about 32 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🌿 Basil about 33 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🍒 Cherry Radish about 96 days to harvest Recent mean 8.1°C — right in the sweet spot
- 🌿 Spinach about 108 days to harvest Recent mean 8.1°C — right in the sweet spot
- 🧄 Garlic 88 about 141 days to harvest Recent mean 8.1°C — right in the sweet spot
- 🥬 Kale 86 about 145 days to harvest Recent mean 8.1°C — right in the sweet spot
Leave these for another month
- 🌻 Sunflower — Recent mean 8.1°C is too cold (ideal 14–30°C)
- 🎃 Pumpkin — Recent mean 8.1°C is too cold (ideal 16–30°C)
- 🌽 Sweet Corn — Recent mean 8.1°C is too cold (ideal 16–32°C)
Other months in Chengdu
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.