Growing Nasturtium in Tucson
🇺🇸 Zone 7 Planting Guide · Hot desert climate
Quick Answer: Growing Nasturtium in Tucson
Yes, you can grow Nasturtium in Tucson, US! Plant during Feb, Mar, Apr, May for best results. Tucson is in USDA Zone 7 with a Hot desert climate, offering 310 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
Tucson's climate requires careful timing. Winter lows (4°C) drop below Nasturtium's minimum (5°C), so avoid cold months. Summer highs (38°C) exceed Nasturtium's maximum (30°C), so plant early or provide shade. Follow the recommended planting months for success.
Tucson Climate Data
Nasturtium Planting Calendar for Tucson
Green months show the best time to plant Nasturtium in Tucson
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 Tucson.
How to Grow Nasturtium in Tucson
Tucson, US is in USDA Hardiness Zone 7 with a Hot desert climate (Köppen BWh). With winter lows of 4°C and summer highs of 38°C, the growing season spans approximately 310 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 Tucson, 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.
Tucson receives only 294mm of annual rainfall, so consistent irrigation will be essential for growing Nasturtium successfully.
Other Plants That Grow in Tucson
More plants you can grow alongside Nasturtium in Tucson
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Frequently Asked Questions
Can I grow nasturtium in Tucson?
Yes! Nasturtium can be successfully grown in Tucson, US. Tucson is in USDA Hardiness Zone 7 with a Hot desert 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 Tucson?
In Tucson, the recommended planting months for Nasturtium are February, March, April, May. Tucson has 310 frost-free days per year, with winter lows of 4°C and summer highs of 38°C. Since Nasturtium is not frost tolerant, make sure to plant after the last frost date.
How long does nasturtium take to grow in Tucson?
Nasturtium typically takes 35-52 days from planting to harvest. In Tucson's Hot desert climate with 310 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 Tucson?
Nasturtium can potentially be grown indoors in Tucson 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 Tucson?
Plant Nasturtium in Tucson during February, March, April, May. These are the optimal months based on Tucson's USDA Zone 7 climate, 310 frost-free days, and temperature range of 4°C to 38°C.
Is nasturtium hard to grow in Tucson?
Nasturtium is rated "easy" to grow in Tucson. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Nasturtium in Tucson is Moderate.
What grows well with nasturtium in Tucson?
In Tucson, 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 Tucson's Zone 7 climate.
Does nasturtium need full sun in Tucson?
Nasturtium requires full sun to partial shade. Nasturtium tolerates lower light. In Tucson, a spot with filtered or indirect light for 2-4 hours works well.