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Growing Nasturtium in Minneapolis

🇺🇸 Zone 1 Planting Guide · Hot-summer humid continental climate

USDA Zone 1 166 frost-free days 35-52 days to harvest

Quick Answer: Growing Nasturtium in Minneapolis

Yes, you can grow Nasturtium in Minneapolis, US! Plant during May, Jun, Jul, Aug for best results. Minneapolis is in USDA Zone 1 with a Hot-summer humid continental climate, offering 166 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 Minneapolis + Nasturtium

Minneapolis's climate requires careful timing. Winter lows (-15°C) drop below Nasturtium's minimum (5°C), so avoid cold months. Follow the recommended planting months for success.

Nasturtium tolerates 5°C to 30°C
Optimal: 15°C - 25°C
Minneapolis range -15°C to 29°C

Minneapolis Climate Data

USDA Zone
1
Frost-Free
166days
Winter Low
-15°C
Summer High
29°C
Rainfall
787mm/yr
Climate
Dfa
Hot-summer humid continental

Nasturtium Planting Calendar for Minneapolis

Green months show the best time to plant Nasturtium in Minneapolis

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 Minneapolis.

How to Grow Nasturtium in Minneapolis

Minneapolis, US is in USDA Hardiness Zone 1 with a Hot-summer humid continental climate (Köppen Dfa). With winter lows of -15°C and summer highs of 29°C, the growing season spans approximately 166 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 Minneapolis, the best months to plant Nasturtium are May, June, July, August. 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 787mm of annual rainfall, Minneapolis provides moderate natural moisture. This should be adequate for Nasturtium's water needs.

Other Plants That Grow in Minneapolis

More plants you can grow alongside Nasturtium in Minneapolis

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Frequently Asked Questions

Can I grow nasturtium in Minneapolis?

Yes! Nasturtium can be successfully grown in Minneapolis, US. Minneapolis is in USDA Hardiness Zone 1 with a Hot-summer humid continental climate. The difficulty level for growing Nasturtium here is rated "easy". The best months to plant are May, June, July, August.

When should I plant nasturtium in Minneapolis?

In Minneapolis, the recommended planting months for Nasturtium are May, June, July, August. Minneapolis has 166 frost-free days per year, with winter lows of -15°C and summer highs of 29°C. Since Nasturtium is not frost tolerant, make sure to plant after the last frost date.

How long does nasturtium take to grow in Minneapolis?

Nasturtium typically takes 35-52 days from planting to harvest. In Minneapolis's Hot-summer humid continental climate with 166 frost-free days, you have enough time with good planning 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 Minneapolis?

Nasturtium can potentially be grown indoors in Minneapolis with proper conditions. It requires full sun to partial shade (2-4 hours of indirect light). Indoor growing extends your season beyond the May, Jun, Jul, Aug outdoor planting window. Use containers with good drainage and low watering.

What month do I plant nasturtium in Minneapolis?

Plant Nasturtium in Minneapolis during May, June, July, August. These are the optimal months based on Minneapolis's USDA Zone 1 climate, 166 frost-free days, and temperature range of -15°C to 29°C.

Is nasturtium hard to grow in Minneapolis?

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

What grows well with nasturtium in Minneapolis?

In Minneapolis, 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 Minneapolis's Zone 1 climate.

Does nasturtium need full sun in Minneapolis?

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