Growing Nasturtium in Durban
🇿🇦 Zone 10 Planting Guide · Humid subtropical climate
Quick Answer: Growing Nasturtium in Durban
Yes, you can grow Nasturtium in Durban, ZA! Plant during Jul, Aug, Sep, Oct for best results. Durban is in USDA Zone 10 with a Humid subtropical climate, offering 340 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
Durban's temperatures (11°C to 28°C) are within the tolerable range for Nasturtium (5°C to 30°C), though not always in the optimal zone (15°C to 25°C). Plant during recommended months for best results.
Durban Climate Data
Nasturtium Planting Calendar for Durban
Green months show the best time to plant Nasturtium in Durban
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 Durban.
How to Grow Nasturtium in Durban
Durban, ZA is in USDA Hardiness Zone 10 with a Humid subtropical climate (Köppen Cfa). With winter lows of 11°C and summer highs of 28°C, the growing season spans approximately 340 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 Durban, the best months to plant Nasturtium are July, August, September, October. 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.
Durban receives 1009mm 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 Durban
More plants you can grow alongside Nasturtium in Durban
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Frequently Asked Questions
Can I grow nasturtium in Durban?
Yes! Nasturtium can be successfully grown in Durban, ZA. Durban is in USDA Hardiness Zone 10 with a Humid subtropical climate. The difficulty level for growing Nasturtium here is rated "easy". The best months to plant are July, August, September, October.
When should I plant nasturtium in Durban?
In Durban, the recommended planting months for Nasturtium are July, August, September, October. Durban has 340 frost-free days per year, with winter lows of 11°C and summer highs of 28°C. Since Nasturtium is not frost tolerant, make sure to plant after the last frost date.
How long does nasturtium take to grow in Durban?
Nasturtium typically takes 35-52 days from planting to harvest. In Durban's Humid subtropical climate with 340 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 Durban?
Nasturtium can potentially be grown indoors in Durban with proper conditions. It requires full sun to partial shade (2-4 hours of indirect light). Indoor growing extends your season beyond the Jul, Aug, Sep, Oct outdoor planting window. Use containers with good drainage and low watering.
What month do I plant nasturtium in Durban?
Plant Nasturtium in Durban during July, August, September, October. These are the optimal months based on Durban's USDA Zone 10 climate, 340 frost-free days, and temperature range of 11°C to 28°C.
Is nasturtium hard to grow in Durban?
Nasturtium is rated "easy" to grow in Durban. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Nasturtium in Durban is Good.
What grows well with nasturtium in Durban?
In Durban, 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 Durban's Zone 10 climate.
Does nasturtium need full sun in Durban?
Nasturtium requires full sun to partial shade. Nasturtium tolerates lower light. In Durban, a spot with filtered or indirect light for 2-4 hours works well.