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Growing Nasturtium in Florence

🇮🇹 Zone 6 Planting Guide · Humid subtropical climate

USDA Zone 6 260 frost-free days 35-52 days to harvest

Quick Answer: Growing Nasturtium in Florence

Yes, you can grow Nasturtium in Florence, IT! Plant during Mar, Apr, May, Jun for best results. Florence is in USDA Zone 6 with a Humid subtropical climate, offering 260 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 Florence + Nasturtium

Florence'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.

Nasturtium tolerates 5°C to 30°C
Optimal: 15°C - 25°C
Florence range 1°C to 32°C

Florence Climate Data

USDA Zone
6
Frost-Free
260days
Winter Low
1°C
Summer High
32°C
Rainfall
870mm/yr
Climate
Cfa
Humid subtropical

Nasturtium Planting Calendar for Florence

Green months show the best time to plant Nasturtium in Florence

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 Florence.

How to Grow Nasturtium in Florence

Florence, IT 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 260 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 Florence, 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.

With 870mm of annual rainfall, Florence provides moderate natural moisture. This should be adequate for Nasturtium's water needs.

Other Plants That Grow in Florence

More plants you can grow alongside Nasturtium in Florence

Keep Exploring

Frequently Asked Questions

Can I grow nasturtium in Florence?

Yes! Nasturtium can be successfully grown in Florence, IT. Florence 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 Florence?

In Florence, the recommended planting months for Nasturtium are March, April, May, June. Florence has 260 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 Florence?

Nasturtium typically takes 35-52 days from planting to harvest. In Florence's Humid subtropical climate with 260 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 Florence?

Nasturtium can potentially be grown indoors in Florence 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 Florence?

Plant Nasturtium in Florence during March, April, May, June. These are the optimal months based on Florence's USDA Zone 6 climate, 260 frost-free days, and temperature range of 1°C to 32°C.

Is nasturtium hard to grow in Florence?

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

What grows well with nasturtium in Florence?

In Florence, 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 Florence's Zone 6 climate.

Does nasturtium need full sun in Florence?

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