Growing Nasturtium in Perth
🇦🇺 Zone 9 Planting Guide · Hot-summer Mediterranean climate
Quick Answer: Growing Nasturtium in Perth
Yes, you can grow Nasturtium in Perth, AU! Plant during Jul, Aug, Sep, Oct for best results. Perth is in USDA Zone 9 with a Hot-summer Mediterranean 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
Perth'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.
Perth Climate Data
Nasturtium Planting Calendar for Perth
Green months show the best time to plant Nasturtium in Perth
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 Perth.
How to Grow Nasturtium in Perth
Perth, AU is in USDA Hardiness Zone 9 with a Hot-summer Mediterranean climate (Köppen Csa). With winter lows of 8°C and summer highs of 31°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 Perth, 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.
With 733mm of annual rainfall, Perth provides moderate natural moisture. This should be adequate for Nasturtium's water needs.
Other Plants That Grow in Perth
More plants you can grow alongside Nasturtium in Perth
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Frequently Asked Questions
Can I grow nasturtium in Perth?
Yes! Nasturtium can be successfully grown in Perth, AU. Perth is in USDA Hardiness Zone 9 with a Hot-summer Mediterranean 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 Perth?
In Perth, the recommended planting months for Nasturtium are July, August, September, October. Perth has 340 frost-free days per year, with winter lows of 8°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 Perth?
Nasturtium typically takes 35-52 days from planting to harvest. In Perth's Hot-summer Mediterranean 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 Perth?
Nasturtium can potentially be grown indoors in Perth 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 Perth?
Plant Nasturtium in Perth during July, August, September, October. These are the optimal months based on Perth's USDA Zone 9 climate, 340 frost-free days, and temperature range of 8°C to 31°C.
Is nasturtium hard to grow in Perth?
Nasturtium is rated "easy" to grow in Perth. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Nasturtium in Perth is Moderate.
What grows well with nasturtium in Perth?
In Perth, 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 Perth's Zone 9 climate.
Does nasturtium need full sun in Perth?
Nasturtium requires full sun to partial shade. Nasturtium tolerates lower light. In Perth, a spot with filtered or indirect light for 2-4 hours works well.