Seattle in April: what to plant
Averaged over the last 5 years of daily records, April in Seattle runs 6.0–13.4°C with about 81 mm of rain across the month. Here is what that climate actually supports.
❄️ No sub-zero nights in April in the last 5 years — frost is not the limiting factor here.
Best crops to sow now
- 🌱 Microgreens Fastest about 8 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🍃 Mint about 29 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🧅 Chives about 31 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🌿 Basil about 32 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🍒 Cherry Radish about 64 days to harvest Recent mean 9.7°C — right in the sweet spot
- 🌿 Spinach about 83 days to harvest Recent mean 9.7°C — right in the sweet spot
- ⚪ Turnip about 103 days to harvest Recent mean 9.7°C — right in the sweet spot
- 🥬 Kale about 106 days to harvest Recent mean 9.7°C — right in the sweet spot
Leave these for another month
- 🎃 Pumpkin — Recent mean 9.7°C is too cold (ideal 16–30°C)
- 🌽 Sweet Corn — Recent mean 9.7°C is too cold (ideal 16–32°C)
- 🥒 Zucchini — Recent mean 9.7°C is too cold (ideal 16–30°C)
Other months in Seattle
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.