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🥬 Vegetable hard

Growing Corn in Guangzhou

🇨🇳 Zone 9 Planting Guide · Humid subtropical (dry winter) climate

USDA Zone 9 350 frost-free days 60-100 days to harvest

Quick Answer: Growing Corn in Guangzhou

Yes, you can grow Corn in Guangzhou, CN! Plant during Jan, Feb, Mar, Apr for best results. Guangzhou is in USDA Zone 9 with a Humid subtropical (dry winter) climate, offering 350 frost-free days per year. The difficulty level is hard, and Corn takes 60-100 days to harvest. Corn needs full sun and regular watering.

Climate Match Analysis

Good Match Guangzhou + Corn

Guangzhou's temperatures (10°C to 33°C) are within the tolerable range for Corn (10°C to 35°C), though not always in the optimal zone (18°C to 30°C). Plant during recommended months for best results.

Corn tolerates 10°C to 35°C
Optimal: 18°C - 30°C
Guangzhou range 10°C to 33°C

Guangzhou Climate Data

USDA Zone
9
Frost-Free
350days
Winter Low
10°C
Summer High
33°C
Rainfall
1736mm/yr
Climate
Cwa
Humid subtropical (dry winter)

Corn Planting Calendar for Guangzhou

Green months show the best time to plant Corn in Guangzhou

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

Corn 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

60-100

From planting to first harvest

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Difficulty

hard

For experienced growers

💡 Growing Tips for Corn

Minimum 4x4 block for pollination. Heavy feeder -- needs nitrogen-rich soil. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Corn is NOT frost tolerant — wait until after the last frost in Guangzhou.

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Companion Plants for Corn

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

How to Grow Corn in Guangzhou

Guangzhou, CN is in USDA Hardiness Zone 9 with a Humid subtropical (dry winter) climate (Köppen Cwa). With winter lows of 10°C and summer highs of 33°C, the growing season spans approximately 350 frost-free days. Corn requires more experience to grow successfully in this climate.

Corn thrives in temperatures between 18°C and 30°C, requiring full sun and regular watering. In Guangzhou, the best months to plant Corn are January, February, March, April. Corn is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 60-100 days after planting.

Guangzhou receives 1736mm of annual rainfall, which provides good natural moisture for Corn. Supplement with additional watering during dry spells.

Other Plants That Grow in Guangzhou

More plants you can grow alongside Corn in Guangzhou

Keep Exploring

Frequently Asked Questions

Can I grow corn in Guangzhou?

Yes! Corn can be successfully grown in Guangzhou, CN. Guangzhou is in USDA Hardiness Zone 9 with a Humid subtropical (dry winter) climate. The difficulty level for growing Corn here is rated "hard". The best months to plant are January, February, March, April.

When should I plant corn in Guangzhou?

In Guangzhou, the recommended planting months for Corn are January, February, March, April. Guangzhou has 350 frost-free days per year, with winter lows of 10°C and summer highs of 33°C. Since Corn is not frost tolerant, make sure to plant after the last frost date.

How long does corn take to grow in Guangzhou?

Corn typically takes 60-100 days from planting to harvest. In Guangzhou's Humid subtropical (dry winter) climate with 350 frost-free days, you have plenty of time to grow Corn to maturity. Minimum 4x4 block for pollination. Heavy feeder -- needs nitrogen-rich soil. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. 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 corn indoors in Guangzhou?

Corn can potentially be grown indoors in Guangzhou 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, Apr outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant corn in Guangzhou?

Plant Corn in Guangzhou during January, February, March, April. These are the optimal months based on Guangzhou's USDA Zone 9 climate, 350 frost-free days, and temperature range of 10°C to 33°C.

Is corn hard to grow in Guangzhou?

Corn is rated "hard" to grow in Guangzhou. This is challenging in this climate. Experienced growers will have the best success with careful attention to temperature and moisture. The climate match for Corn in Guangzhou is Good.

What grows well with corn in Guangzhou?

In Guangzhou, you can grow many companion plants alongside Corn. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Guangzhou's Zone 9 climate.

Does corn need full sun in Guangzhou?

Corn requires full sun. In Guangzhou, 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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