Skip to content
🥬 Vegetable medium

Growing Leek in Chengdu

🇨🇳 Zone 7 Planting Guide · Humid subtropical (dry winter) climate

USDA Zone 7 290 frost-free days 90-120 days to harvest

Quick Answer: Growing Leek in Chengdu

Yes, you can grow Leek in Chengdu, CN! Plant during Oct, Nov for best results. Chengdu is in USDA Zone 7 with a Humid subtropical (dry winter) climate, offering 290 frost-free days per year. The difficulty level is medium, and Leek takes 90-120 days to harvest. Leek needs full sun and regular watering.

Climate Match Analysis

Moderate Match Chengdu + Leek

Chengdu's climate requires careful timing. Summer highs (30°C) exceed Leek's maximum (25°C), so plant early or provide shade. Follow the recommended planting months for success.

Leek tolerates -5°C to 25°C
Optimal: 10°C - 20°C
Chengdu range 3°C to 30°C

Chengdu Climate Data

USDA Zone
7
Frost-Free
290days
Winter Low
3°C
Summer High
30°C
Rainfall
1005mm/yr
Climate
Cwa
Humid subtropical (dry winter)

Leek Planting Calendar for Chengdu

Green months show the best time to plant Leek in Chengdu

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

Leek Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

90-120

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Leek

Plant in trenches and hill soil as they grow to blanch stems. Very cold hardy. 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: Leek is frost tolerant — you can plant earlier in spring.

How to Grow Leek in Chengdu

Chengdu, CN is in USDA Hardiness Zone 7 with a Humid subtropical (dry winter) climate (Köppen Cwa). With winter lows of 3°C and summer highs of 30°C, the growing season spans approximately 290 frost-free days. Leek grows well with some gardening knowledge in this climate.

Leek thrives in temperatures between 10°C and 20°C, requiring full sun and regular watering. In Chengdu, the best months to plant Leek are October, November. Since Leek can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 90-120 days after planting.

Chengdu receives 1005mm of annual rainfall, which provides good natural moisture for Leek. Supplement with additional watering during dry spells.

Other Plants That Grow in Chengdu

More plants you can grow alongside Leek in Chengdu

Keep Exploring

Frequently Asked Questions

Can I grow leek in Chengdu?

Yes! Leek can be successfully grown in Chengdu, CN. Chengdu is in USDA Hardiness Zone 7 with a Humid subtropical (dry winter) climate. The difficulty level for growing Leek here is rated "medium". The best months to plant are October, November.

When should I plant leek in Chengdu?

In Chengdu, the recommended planting months for Leek are October, November. Chengdu has 290 frost-free days per year, with winter lows of 3°C and summer highs of 30°C. Leek is frost tolerant, giving you more flexibility with planting dates.

How long does leek take to grow in Chengdu?

Leek typically takes 90-120 days from planting to harvest. In Chengdu's Humid subtropical (dry winter) climate with 290 frost-free days, you have plenty of time to grow Leek to maturity. Plant in trenches and hill soil as they grow to blanch stems. Very cold hardy. 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 leek indoors in Chengdu?

Leek can potentially be grown indoors in Chengdu 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 Oct, Nov outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant leek in Chengdu?

Plant Leek in Chengdu during October, November. These are the optimal months based on Chengdu's USDA Zone 7 climate, 290 frost-free days, and temperature range of 3°C to 30°C.

Is leek hard to grow in Chengdu?

Leek is rated "medium" to grow in Chengdu. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Leek in Chengdu is Moderate.

What grows well with leek in Chengdu?

In Chengdu, you can grow many companion plants alongside Leek. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Chengdu's Zone 7 climate.

Does leek need full sun in Chengdu?

Leek requires full sun. In Chengdu, 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

See an error? Report it