Hong Kong in December: what to plant
Over the last 5 years, December in Hong Kong has run 13.4–20.2°C with about 22 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 December 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 7.9 h of sunshine a day this month. Within the month it cools by about 3.0°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-December, 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 |
|---|---|---|
| 🌿 Rocket | 32 | Jan 15 |
| 🌿 Spinach | 43 | Jan 26 |
| 🫛 Peas | 59 | Feb 11 |
| 🥬 Napa cabbage | 70 | Feb 22 |
| 🫘 Broad bean | 72 | Feb 24 |
| 🥕 Parsnip | 100 | Mar 24 |
| 🌿 Chrysanthemum greens | 39 | Jan 22 |
| ⚪ Turnip | 45 | Jan 28 |
| ⚪ Daikon radish | 61 | Feb 13 |
| 🧅 Leek | 92 | Mar 16 |
| 🍓 Strawberry | 63 | Feb 15 |
| 🏵️ Marigold | 66 | Feb 18 |
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 29 days to harvest Recent mean 16.8°C — right in the sweet spot
- 🌿 Spinach about 40 days to harvest Recent mean 16.8°C — right in the sweet spot
- 🫛 Peas about 55 days to harvest Recent mean 16.8°C — right in the sweet spot
- 🥬 Napa cabbage about 66 days to harvest Recent mean 16.8°C — right in the sweet spot
- 🫘 Broad bean about 69 days to harvest Recent mean 16.8°C — right in the sweet spot
- 🥕 Parsnip about 100 days to harvest Recent mean 16.8°C — right in the sweet spot
- 🌿 Chrysanthemum greens about 36 days to harvest Recent mean 16.8°C — right in the sweet spot
- ⚪ Turnip about 41 days to harvest Recent mean 16.8°C — right in the sweet spot
- ⚪ Daikon radish about 57 days to harvest Recent mean 16.8°C — right in the sweet spot
- 🧅 Leek about 90 days to harvest Recent mean 16.8°C — right in the sweet spot
- 🍓 Strawberry about 59 days to harvest Recent mean 16.8°C — right in the sweet spot
- 🏵️ Marigold about 61 days to harvest Recent mean 16.8°C — right in the sweet spot
Leave these for another month
- 🌶️ Okra — Recent mean 16.8°C is too cold (ideal 20–33°C)
- 🍆 Aubergine — Recent mean 16.8°C is too cold (ideal 18–32°C)
- 🍈 Winter melon — Recent mean 16.8°C is too cold (ideal 18–32°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.