Hong Kong in October: what to plant
Over the last 5 years, October in Hong Kong has run 22.1–27.4°C with about 196 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 Hong Kong is actually having, today.
Grow one in Hong Kong's weather right now →❄️ No sub-zero nights in October in the last 5 years — frost is not the limiting factor here.
🗓️ No night at or below 0°C in the last 5 years — frost is not a limiting factor here, and tender crops can stay out year-round.
☀️ About 8.5 h of sunshine a day this month. Within the month it cools by about 3.1°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-October, then adding up the warmth Hong Kong 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 | 184 | Apr 16 |
| 🍆 Aubergine | 193 | Apr 25 |
| 🥒 Luffa | 178 | Apr 10 |
| 🥬 Bok Choy | 25 | Nov 8 |
| 🥬 Swiss chard | 36 | Nov 19 |
| 🌿 Garlic chives | 51 | Dec 4 |
| 🌶️ Chili Pepper | 167 | Mar 30 |
| 🥕 Carrot | 54 | Dec 7 |
| 🌻 Sunflower | 85 | Jan 7 |
| 🧅 Onion | 66 | Dec 19 |
| 🌱 Microgreens | 5 | Oct 19 |
| 🏵️ Marigold | 39 | Nov 22 |
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.
- 🌶️ Okra about 78 days to harvest Recent mean 24.7°C — right in the sweet spot
- 🍆 Aubergine about 111 days to harvest Recent mean 24.7°C — right in the sweet spot
- 🥒 Luffa about 96 days to harvest Recent mean 24.7°C — right in the sweet spot
- 🥬 Bok Choy about 23 days to harvest Recent mean 24.7°C — right in the sweet spot
- 🥬 Swiss chard about 33 days to harvest Recent mean 24.7°C — right in the sweet spot
- 🌿 Garlic chives about 44 days to harvest Recent mean 24.7°C — right in the sweet spot
- 🌶️ Chili Pepper about 99 days to harvest Recent mean 24.7°C — right in the sweet spot
- 🥕 Carrot about 46 days to harvest Recent mean 24.7°C — right in the sweet spot
- 🌻 Sunflower about 60 days to harvest Recent mean 24.7°C — right in the sweet spot
- 🧅 Onion about 54 days to harvest Recent mean 24.7°C — right in the sweet spot
- 🌱 Microgreens about 6 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🏵️ Marigold about 34 days to harvest Recent mean 24.7°C — right in the sweet spot
Leave these for another month
- 🌿 Coriander — Recent mean 24.7°C is too hot (ideal 8–24°C)
- 🫘 Broad bean — Recent mean 24.7°C is too hot (ideal 6–22°C)
- 🥕 Parsnip — Recent mean 24.7°C is too hot (ideal 6–22°C)
Other months in Hong Kong
📍 Somewhere else? Look up your own city →
Temperature and rainfall come from Open-Meteo's historical observations for Hong Kong, 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.