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Growing Nasturtium in Memphis

🇺🇸 Zone 6 Planting Guide · Humid subtropical climate

USDA Zone 6 230 frost-free days 35-52 days to harvest

Quick Answer: Growing Nasturtium in Memphis

Yes, you can grow Nasturtium in Memphis, US! Plant during Apr, May, Jun, Jul for best results. Memphis is in USDA Zone 6 with a Humid subtropical climate, offering 230 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 Memphis + Nasturtium

Memphis's climate requires careful timing. Winter lows (0°C) drop below Nasturtium's minimum (5°C), so avoid cold months. Summer highs (33°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
Memphis range 0°C to 33°C

Memphis Climate Data

USDA Zone
6
Frost-Free
230days
Winter Low
0°C
Summer High
33°C
Rainfall
1352mm/yr
Climate
Cfa
Humid subtropical

Nasturtium Planting Calendar for Memphis

Green months show the best time to plant Nasturtium in Memphis

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 Memphis.

How to Grow Nasturtium in Memphis

Memphis, US is in USDA Hardiness Zone 6 with a Humid subtropical climate (Köppen Cfa). With winter lows of 0°C and summer highs of 33°C, the growing season spans approximately 230 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 Memphis, the best months to plant Nasturtium are April, May, June, July. 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.

Memphis receives 1352mm 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 Memphis

More plants you can grow alongside Nasturtium in Memphis

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Frequently Asked Questions

Can I grow nasturtium in Memphis?

Yes! Nasturtium can be successfully grown in Memphis, US. Memphis 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 April, May, June, July.

When should I plant nasturtium in Memphis?

In Memphis, the recommended planting months for Nasturtium are April, May, June, July. Memphis has 230 frost-free days per year, with winter lows of 0°C and summer highs of 33°C. Since Nasturtium is not frost tolerant, make sure to plant after the last frost date.

How long does nasturtium take to grow in Memphis?

Nasturtium typically takes 35-52 days from planting to harvest. In Memphis's Humid subtropical climate with 230 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 Memphis?

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

What month do I plant nasturtium in Memphis?

Plant Nasturtium in Memphis during April, May, June, July. These are the optimal months based on Memphis's USDA Zone 6 climate, 230 frost-free days, and temperature range of 0°C to 33°C.

Is nasturtium hard to grow in Memphis?

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

What grows well with nasturtium in Memphis?

In Memphis, 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 Memphis's Zone 6 climate.

Does nasturtium need full sun in Memphis?

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