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Growing Nasturtium in Hong Kong

🇭🇰 Zone 11 Planting Guide · Humid subtropical (dry winter) climate

USDA Zone 11 365 frost-free days 35-52 days to harvest

Quick Answer: Growing Nasturtium in Hong Kong

Yes, you can grow Nasturtium in Hong Kong, HK! Plant during Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec for best results. Hong Kong is in USDA Zone 11 with a Humid subtropical (dry winter) climate, offering 365 frost-free days per year. The difficulty level is easy, and Nasturtium takes 35-52 days to harvest. Nasturtium needs full sun to partial shade and low watering.

Climate Match Analysis

Moderate Match Hong Kong + Nasturtium

Hong Kong's climate requires careful timing. Summer highs (31°C) exceed Nasturtium's maximum (30°C), so plant early or provide shade. Follow the recommended planting months for success.

Nasturtium tolerates 5°C to 30°C
Optimal: 15°C - 25°C
Hong Kong range 14°C to 31°C

Hong Kong Climate Data

USDA Zone
11
Frost-Free
365days
Winter Low
14°C
Summer High
31°C
Rainfall
2399mm/yr
Climate
Cwa
Humid subtropical (dry winter)

Nasturtium Planting Calendar for Hong Kong

Green months show the best time to plant Nasturtium in Hong Kong

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Nasturtium Not recommended

Nasturtium Growing Requirements

☀️

Sunlight

Full Sun to Partial Shade

2-4 hours direct sunlight

💧

Water

Low

Drought tolerant, water sparingly

📅

Days to Harvest

35-52

From planting to first harvest

📊

Difficulty

easy

Great for beginners

💡 Growing Tips for Nasturtium

Poor soil produces more flowers. Seeds are large and easy for kids. Wait until soil warms to at least 15°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Frost tolerance: Nasturtium is NOT frost tolerant — wait until after the last frost in Hong Kong.

How to Grow Nasturtium in Hong Kong

Hong Kong, HK is in USDA Hardiness Zone 11 with a Humid subtropical (dry winter) climate (Köppen Cwa). With winter lows of 14°C and summer highs of 31°C, the growing season spans approximately 365 frost-free days. Nasturtium is one of the easiest plants to grow in this climate.

Nasturtium thrives in temperatures between 15°C and 25°C, requiring full sun to partial shade and low watering. In Hong Kong, the best months to plant Nasturtium are January, February, March, April, May, June, July, August, September, October, November, December. Nasturtium is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 35-52 days after planting.

Hong Kong receives 2399mm of annual rainfall, which provides good natural moisture for Nasturtium. Be careful not to overwater — the natural rainfall may be sufficient.

Other Plants That Grow in Hong Kong

More plants you can grow alongside Nasturtium in Hong Kong

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Frequently Asked Questions

Can I grow nasturtium in Hong Kong?

Yes! Nasturtium can be successfully grown in Hong Kong, HK. Hong Kong is in USDA Hardiness Zone 11 with a Humid subtropical (dry winter) climate. The difficulty level for growing Nasturtium here is rated "easy". The best months to plant are January, February, March, April, May, June, July, August, September, October, November, December.

When should I plant nasturtium in Hong Kong?

In Hong Kong, the recommended planting months for Nasturtium are January, February, March, April, May, June, July, August, September, October, November, December. Hong Kong has 365 frost-free days per year, with winter lows of 14°C and summer highs of 31°C. Since Nasturtium is not frost tolerant, make sure to plant after the last frost date.

How long does nasturtium take to grow in Hong Kong?

Nasturtium typically takes 35-52 days from planting to harvest. In Hong Kong's Humid subtropical (dry winter) climate with 365 frost-free days, you have plenty of time to grow Nasturtium to maturity. Poor soil produces more flowers. Seeds are large and easy for kids. Wait until soil warms to at least 15°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Can I grow nasturtium indoors in Hong Kong?

Nasturtium can potentially be grown indoors in Hong Kong with proper conditions. It requires full sun to partial shade (2-4 hours of indirect light). Indoor growing extends your season beyond the Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec outdoor planting window. Use containers with good drainage and low watering.

What month do I plant nasturtium in Hong Kong?

Plant Nasturtium in Hong Kong during January, February, March, April, May, June, July, August, September, October, November, December. These are the optimal months based on Hong Kong's USDA Zone 11 climate, 365 frost-free days, and temperature range of 14°C to 31°C.

Is nasturtium hard to grow in Hong Kong?

Nasturtium is rated "easy" to grow in Hong Kong. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Nasturtium in Hong Kong is Moderate.

What grows well with nasturtium in Hong Kong?

In Hong Kong, you can grow many companion plants alongside Nasturtium. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Hong Kong's Zone 11 climate.

Does nasturtium need full sun in Hong Kong?

Nasturtium requires full sun to partial shade. Nasturtium tolerates lower light. In Hong Kong, a spot with filtered or indirect light for 2-4 hours works well.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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