Chengdu in August: what to plant
Over the last 5 years, August in Chengdu has run 23.7–31.9°C with about 183 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 Chengdu is actually having, today.
Grow one in Chengdu's weather right now →❄️ No sub-zero nights in August 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 7, first autumn frost around Dec 16 — roughly 313 frost-free days. Sow tender crops after the last frost date and make sure they finish before the first.
☀️ About 8.6 h of sunshine a day this month. Within the month it cools by about 1.8°C from the first ten days to the last — the window for autumn sowings is opening.
Sow this month — when would you harvest?
Assuming you sow in mid-August, then adding up the warmth Chengdu usually gets, one day at a time — which is why some of these run past the end of the month.
| Crop | Days | Harvest around |
|---|---|---|
| 🌿 Amaranth greens | 35 | Sep 18 |
| 🌻 Sunflower | 64 | Oct 17 |
| 🏵️ Marigold | 32 | Sep 15 |
| 🌱 Microgreens | 5 | Aug 19 |
| 🥒 Cucumber | 86 | Nov 8 |
⏳ Too late this month: Winter melon, Okra, Aubergine, Chili Pepper, Luffa, Bitter melon, Yardlong bean would still be in the ground when the first frost arrives (around Dec 16). Sow them earlier in the year, or grow them under cover.
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.
- 🍈 Winter melon about 102 days to harvest Recent mean 27.8°C — right in the sweet spot
- 🌶️ Okra about 59 days to harvest Recent mean 27.8°C — right in the sweet spot
- 🍆 Aubergine about 89 days to harvest Recent mean 27.8°C — right in the sweet spot
- 🌶️ Chili Pepper about 82 days to harvest Recent mean 27.8°C — right in the sweet spot
- 🌿 Amaranth greens about 31 days to harvest Recent mean 27.8°C — right in the sweet spot
- 🌻 Sunflower about 51 days to harvest Recent mean 27.8°C — right in the sweet spot
- 🏵️ Marigold about 29 days to harvest Recent mean 27.8°C — right in the sweet spot
- 🌱 Microgreens about 5 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🥒 Luffa about 78 days to harvest Recent mean 27.8°C — right in the sweet spot
- 🥒 Bitter melon about 71 days to harvest Recent mean 27.8°C — right in the sweet spot
- 🥢 Yardlong bean about 63 days to harvest Recent mean 27.8°C — right in the sweet spot
- 🥒 Cucumber about 54 days to harvest Recent mean 27.8°C — right in the sweet spot
Leave these for another month
- 🌿 Dill — Recent mean 27.8°C is too hot (ideal 9–26°C)
- 🌿 Parsley — Recent mean 27.8°C is too hot (ideal 7–25°C)
- 🌿 Coriander — Recent mean 27.8°C is too hot (ideal 8–24°C)
Other months in Chengdu
📍 Somewhere else? Look up your own city →
Temperature and rainfall come from Open-Meteo's historical observations for Chengdu, 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.