Nanjing in June: what to plant
Over the last 5 years, June in Nanjing has run 21.9–29.7°C with about 190 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 Nanjing is actually having, today.
Grow one in Nanjing's weather right now →❄️ No sub-zero nights in June in the last 5 years — frost is not the limiting factor here.
🗓️ This month sits inside the frost-free window. Average last spring frost around Feb 25, first autumn frost around Dec 6 — roughly 285 frost-free days. Sow tender crops after the last frost date and make sure they finish before the first.
☀️ About 7.9 h of sunshine a day this month. Within the month it warms by about 1.7°C from the first ten days to the last.
Sow this month — when would you harvest?
Assuming you sow in mid-June, then adding up the warmth Nanjing usually gets, one day at a time — which is why some of these run past the end of the month.
| Crop | Days | Harvest around |
|---|---|---|
| 🌶️ Okra | 55 | Aug 8 |
| 🍅 Tomato | 69 | Aug 22 |
| 🍆 Aubergine | 84 | Sep 6 |
| 🌶️ Chili Pepper | 77 | Aug 30 |
| 🌿 Amaranth greens | 31 | Jul 15 |
| 🌻 Sunflower | 49 | Aug 2 |
| 🏵️ Marigold | 29 | Jul 13 |
| 🌱 Microgreens | 5 | Jun 19 |
| 🧅 Onion | 45 | Jul 29 |
| 🥢 Green Beans | 34 | Jul 18 |
| 🥒 Luffa | 72 | Aug 25 |
| 🥒 Bitter melon | 67 | Aug 20 |
Best crops to sow now
- 🌶️ Okra Ideal about 70 days to harvest Recent mean 25.8°C — right in the sweet spot
- 🍅 Tomato Ideal about 83 days to harvest Recent mean 25.8°C — right in the sweet spot
- 🍆 Aubergine Ideal about 102 days to harvest Recent mean 25.8°C — right in the sweet spot
- 🌶️ Chili Pepper Ideal about 92 days to harvest Recent mean 25.8°C — right in the sweet spot
- 🌿 Amaranth greens Ideal about 35 days to harvest Recent mean 25.8°C — right in the sweet spot
- 🌻 Sunflower Ideal about 57 days to harvest Recent mean 25.8°C — right in the sweet spot
- 🏵️ Marigold Ideal about 32 days to harvest Recent mean 25.8°C — right in the sweet spot
- 🌱 Microgreens Ideal about 5 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🧅 Onion Good about 51 days to harvest Recent mean 25.8°C — right in the sweet spot
- 🥢 Green Beans Ideal about 38 days to harvest Recent mean 25.8°C — right in the sweet spot
- 🥒 Luffa Ideal about 89 days to harvest Recent mean 25.8°C — right in the sweet spot
- 🥒 Bitter melon Ideal about 82 days to harvest Recent mean 25.8°C — right in the sweet spot
Leave these for another month
- 🌿 Dill — 27 day(s) of heat stress
- 🌿 Parsley — Recent mean 25.8°C is too hot (ideal 7–25°C)
- 🌿 Coriander — Recent mean 25.8°C is too hot (ideal 8–24°C)
Other months in Nanjing
📍 Somewhere else? Look up your own city →
Temperature and rainfall come from Open-Meteo's historical observations for Nanjing, 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.