Growing Nasturtium in Shanghai
🇨🇳 Zone 6 Planting Guide · Humid subtropical climate
Quick Answer: Growing Nasturtium in Shanghai
Yes, you can grow Nasturtium in Shanghai, CN! Plant during Feb, Mar, Apr, May for best results. Shanghai is in USDA Zone 6 with a Humid subtropical climate, offering 280 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
Shanghai's climate requires careful timing. Winter lows (1°C) drop below Nasturtium's minimum (5°C), so avoid cold months. Summer highs (32°C) exceed Nasturtium's maximum (30°C), so plant early or provide shade. Follow the recommended planting months for success.
Shanghai Climate Data
Nasturtium Planting Calendar for Shanghai
Green months show the best time to plant Nasturtium in Shanghai
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
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 Shanghai.
How to Grow Nasturtium in Shanghai
Shanghai, CN is in USDA Hardiness Zone 6 with a Humid subtropical climate (Köppen Cfa). With winter lows of 1°C and summer highs of 32°C, the growing season spans approximately 280 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 Shanghai, the best months to plant Nasturtium are February, March, April, May. 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.
Shanghai receives 1167mm 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 Shanghai
More plants you can grow alongside Nasturtium in Shanghai
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Frequently Asked Questions
Can I grow nasturtium in Shanghai?
Yes! Nasturtium can be successfully grown in Shanghai, CN. Shanghai 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 February, March, April, May.
When should I plant nasturtium in Shanghai?
In Shanghai, the recommended planting months for Nasturtium are February, March, April, May. Shanghai has 280 frost-free days per year, with winter lows of 1°C and summer highs of 32°C. Since Nasturtium is not frost tolerant, make sure to plant after the last frost date.
How long does nasturtium take to grow in Shanghai?
Nasturtium typically takes 35-52 days from planting to harvest. In Shanghai's Humid subtropical climate with 280 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 Shanghai?
Nasturtium can potentially be grown indoors in Shanghai with proper conditions. It requires full sun to partial shade (2-4 hours of indirect light). Indoor growing extends your season beyond the Feb, Mar, Apr, May outdoor planting window. Use containers with good drainage and low watering.
What month do I plant nasturtium in Shanghai?
Plant Nasturtium in Shanghai during February, March, April, May. These are the optimal months based on Shanghai's USDA Zone 6 climate, 280 frost-free days, and temperature range of 1°C to 32°C.
Is nasturtium hard to grow in Shanghai?
Nasturtium is rated "easy" to grow in Shanghai. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Nasturtium in Shanghai is Moderate.
What grows well with nasturtium in Shanghai?
In Shanghai, 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 Shanghai's Zone 6 climate.
Does nasturtium need full sun in Shanghai?
Nasturtium requires full sun to partial shade. Nasturtium tolerates lower light. In Shanghai, a spot with filtered or indirect light for 2-4 hours works well.