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🥬 Vegetable easy

Growing Radish in Nanjing

🇨🇳 Zone 6 Planting Guide · Humid subtropical climate

USDA Zone 6 260 frost-free days 22-30 days to harvest

Quick Answer: Growing Radish in Nanjing

Yes, you can grow Radish in Nanjing, CN! Plant during Jan, Feb, Mar, Sep, Oct for best results. Nanjing is in USDA Zone 6 with a Humid subtropical climate, offering 260 frost-free days per year. The difficulty level is easy, and Radish takes 22-30 days to harvest. Radish needs full sun and regular watering.

Climate Match Analysis

Moderate Match Nanjing + Radish

Nanjing's climate requires careful timing. Winter lows (-1°C) drop below Radish's minimum (2°C), so avoid cold months. Summer highs (34°C) exceed Radish's maximum (24°C), so plant early or provide shade. Follow the recommended planting months for success.

Radish tolerates 2°C to 24°C
Optimal: 10°C - 18°C
Nanjing range -1°C to 34°C

Nanjing Climate Data

USDA Zone
6
Frost-Free
260days
Winter Low
-1°C
Summer High
34°C
Rainfall
1062mm/yr
Climate
Cfa
Humid subtropical

Radish Planting Calendar for Nanjing

Green months show the best time to plant Radish in Nanjing

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Radish Not recommended

Radish Growing Requirements

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Sunlight

Full Sun

6+ hours direct sunlight

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Water

Regular

Consistent moisture, 1-2 inches/week

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Days to Harvest

22-30

From planting to first harvest

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Difficulty

easy

Great for beginners

💡 Growing Tips for Radish

Sow directly. Don't let soil dry out or roots will be pithy. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Radish is frost tolerant — you can plant earlier in spring.

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Companion Plants for Radish

Find out which plants grow best alongside Radish — and which to keep apart

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Grow Radish Indoors

No garden? Learn how to grow Radish indoors with our complete guide

How to Grow Radish in Nanjing

Nanjing, CN is in USDA Hardiness Zone 6 with a Humid subtropical climate (Köppen Cfa). With winter lows of -1°C and summer highs of 34°C, the growing season spans approximately 260 frost-free days. Radish is one of the easiest plants to grow in this climate.

Radish thrives in temperatures between 10°C and 18°C, requiring full sun and regular watering. In Nanjing, the best months to plant Radish are January, February, March, September, October. Since Radish can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 22-30 days after planting.

Nanjing receives 1062mm of annual rainfall, which provides good natural moisture for Radish. Supplement with additional watering during dry spells.

Other Plants That Grow in Nanjing

More plants you can grow alongside Radish in Nanjing

Keep Exploring

Frequently Asked Questions

Can I grow radish in Nanjing?

Yes! Radish can be successfully grown in Nanjing, CN. Nanjing is in USDA Hardiness Zone 6 with a Humid subtropical climate. The difficulty level for growing Radish here is rated "easy". The best months to plant are January, February, March, September, October.

When should I plant radish in Nanjing?

In Nanjing, the recommended planting months for Radish are January, February, March, September, October. Nanjing has 260 frost-free days per year, with winter lows of -1°C and summer highs of 34°C. Radish is frost tolerant, giving you more flexibility with planting dates.

How long does radish take to grow in Nanjing?

Radish typically takes 22-30 days from planting to harvest. In Nanjing's Humid subtropical climate with 260 frost-free days, you have plenty of time to grow Radish to maturity. Sow directly. Don't let soil dry out or roots will be pithy. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Can I grow radish indoors in Nanjing?

Radish can potentially be grown indoors in Nanjing with proper conditions. It requires full sun (6+ hours of direct light — a south-facing window or grow lights recommended). Indoor growing extends your season beyond the Jan, Feb, Mar, Sep, Oct outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant radish in Nanjing?

Plant Radish in Nanjing during January, February, March, September, October. These are the optimal months based on Nanjing's USDA Zone 6 climate, 260 frost-free days, and temperature range of -1°C to 34°C.

Is radish hard to grow in Nanjing?

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

What grows well with radish in Nanjing?

In Nanjing, you can grow many companion plants alongside Radish. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Nanjing's Zone 6 climate.

Does radish need full sun in Nanjing?

Radish requires full sun. In Nanjing, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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