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Growing Nasturtium in Hangzhou

🇨🇳 Zone 6 Planting Guide · Humid subtropical climate

USDA Zone 6 270 frost-free days 35-52 days to harvest

Quick Answer: Growing Nasturtium in Hangzhou

Yes, you can grow Nasturtium in Hangzhou, CN! Plant during Mar, Apr, May, Jun for best results. Hangzhou is in USDA Zone 6 with a Humid subtropical climate, offering 270 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 Hangzhou + Nasturtium

Hangzhou's climate requires careful timing. Winter lows (0°C) drop below Nasturtium's minimum (5°C), so avoid cold months. Summer highs (34°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
Hangzhou range 0°C to 34°C

Hangzhou Climate Data

USDA Zone
6
Frost-Free
270days
Winter Low
0°C
Summer High
34°C
Rainfall
1438mm/yr
Climate
Cfa
Humid subtropical

Nasturtium Planting Calendar for Hangzhou

Green months show the best time to plant Nasturtium in Hangzhou

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 Hangzhou.

How to Grow Nasturtium in Hangzhou

Hangzhou, CN is in USDA Hardiness Zone 6 with a Humid subtropical climate (Köppen Cfa). With winter lows of 0°C and summer highs of 34°C, the growing season spans approximately 270 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 Hangzhou, the best months to plant Nasturtium are March, April, May, June. 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.

Hangzhou receives 1438mm 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 Hangzhou

More plants you can grow alongside Nasturtium in Hangzhou

Keep Exploring

Frequently Asked Questions

Can I grow nasturtium in Hangzhou?

Yes! Nasturtium can be successfully grown in Hangzhou, CN. Hangzhou is in USDA Hardiness Zone 6 with a Humid subtropical climate. The difficulty level for growing Nasturtium here is rated "easy". The best months to plant are March, April, May, June.

When should I plant nasturtium in Hangzhou?

In Hangzhou, the recommended planting months for Nasturtium are March, April, May, June. Hangzhou has 270 frost-free days per year, with winter lows of 0°C and summer highs of 34°C. Since Nasturtium is not frost tolerant, make sure to plant after the last frost date.

How long does nasturtium take to grow in Hangzhou?

Nasturtium typically takes 35-52 days from planting to harvest. In Hangzhou's Humid subtropical climate with 270 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 Hangzhou?

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

What month do I plant nasturtium in Hangzhou?

Plant Nasturtium in Hangzhou during March, April, May, June. These are the optimal months based on Hangzhou's USDA Zone 6 climate, 270 frost-free days, and temperature range of 0°C to 34°C.

Is nasturtium hard to grow in Hangzhou?

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

What grows well with nasturtium in Hangzhou?

In Hangzhou, 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 Hangzhou's Zone 6 climate.

Does nasturtium need full sun in Hangzhou?

Nasturtium requires full sun to partial shade. Nasturtium tolerates lower light. In Hangzhou, 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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