Tokyo in March: what to plant
Over the last 5 years, March in Tokyo has run 5.5–14.9°C with about 147 mm of rain across the month. Here is what weather like that will carry to harvest.
Everything above is a five-year average. In the game it is this — the weather Tokyo is actually having, today.
Grow one in Tokyo's weather right now →❄️ 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.
🗓️ This month sits inside the frost-free window. Average last spring frost around Feb 29, first autumn frost around Dec 14 — roughly 289 frost-free days. Sow tender crops after the last frost date and make sure they finish before the first.
☀️ About 7.7 h of sunshine a day this month. Within the month it warms by about 4.3°C from the first ten days to the last.
Sow this month — when would you harvest?
Assuming you sow in mid-March, then adding up the warmth Tokyo usually gets, one day at a time — which is why some of these run past the end of the month.
| Crop | Days | Harvest around |
|---|---|---|
| 🌿 Rocket | 40 | Apr 23 |
| 🌿 Dill | 58 | May 11 |
| 🌿 Chrysanthemum greens | 47 | Apr 30 |
| ⚪ Turnip | 52 | May 5 |
| 🌿 Coriander | 52 | May 5 |
| 🍒 Cherry Radish | 37 | Apr 20 |
| 🧄 Garlic | 70 | May 23 |
| 🫛 Peas | 64 | May 17 |
| 🟣 Beetroot | 64 | May 17 |
| 🍓 Strawberry | 67 | May 20 |
| 🫘 Broad bean | 75 | May 28 |
| 🌿 Spinach | 50 | May 3 |
Best crops to sow now
They are all ideal for this month — the only real difference is how long each one takes, so pick whatever you want to eat.
- 🌿 Rocket about 60 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🌿 Dill about 106 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🌿 Chrysanthemum greens about 81 days to harvest Recent mean 10.2°C — right in the sweet spot
- ⚪ Turnip about 93 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🌿 Coriander about 84 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🍒 Cherry Radish about 58 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🧄 Garlic about 109 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🫛 Peas about 113 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🟣 Beetroot about 113 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🍓 Strawberry about 121 days to harvest Recent mean 10.2°C — right in the sweet spot
- 🫘 Broad bean about 132 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
Leave these for another month
- 🌶️ Okra — Recent mean 10.2°C is too cold (ideal 20–33°C)
- 🍆 Aubergine — Recent mean 10.2°C is too cold (ideal 18–32°C)
- 🍈 Winter melon — Recent mean 10.2°C is too cold (ideal 18–32°C)
Other months in Tokyo
📍 Somewhere else? Look up your own city →
Temperature and rainfall come from Open-Meteo's historical observations for Tokyo, averaged day by day over the last 5 years. Whether a crop finishes in time is worked out from its own starting temperature and heat requirement — those numbers are listed on each crop page if you want to check them.