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🥬 Vegetable hard

Growing Corn in Raleigh

🇺🇸 Zone 6 Planting Guide · Humid subtropical climate

USDA Zone 6 225 frost-free days 60-100 days to harvest

Quick Answer: Growing Corn in Raleigh

Yes, you can grow Corn in Raleigh, US! Plant during Apr, May, Jun, Jul for best results. Raleigh is in USDA Zone 6 with a Humid subtropical climate, offering 225 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

Moderate Match Raleigh + Corn

Raleigh's climate requires careful timing. Winter lows (-1°C) drop below Corn's minimum (10°C), so avoid cold months. Follow the recommended planting months for success.

Corn tolerates 10°C to 35°C
Optimal: 18°C - 30°C
Raleigh range -1°C to 32°C

Raleigh Climate Data

USDA Zone
6
Frost-Free
225days
Winter Low
-1°C
Summer High
32°C
Rainfall
1190mm/yr
Climate
Cfa
Humid subtropical

Corn Planting Calendar for Raleigh

Green months show the best time to plant Corn in Raleigh

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 Raleigh.

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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 Raleigh

Raleigh, US is in USDA Hardiness Zone 6 with a Humid subtropical climate (Köppen Cfa). With winter lows of -1°C and summer highs of 32°C, the growing season spans approximately 225 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 Raleigh, the best months to plant Corn are April, May, June, July. 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.

Raleigh receives 1190mm of annual rainfall, which provides good natural moisture for Corn. Supplement with additional watering during dry spells.

Other Plants That Grow in Raleigh

More plants you can grow alongside Corn in Raleigh

Keep Exploring

Frequently Asked Questions

Can I grow corn in Raleigh?

Yes! Corn can be successfully grown in Raleigh, US. Raleigh is in USDA Hardiness Zone 6 with a Humid subtropical climate. The difficulty level for growing Corn here is rated "hard". The best months to plant are April, May, June, July.

When should I plant corn in Raleigh?

In Raleigh, the recommended planting months for Corn are April, May, June, July. Raleigh has 225 frost-free days per year, with winter lows of -1°C and summer highs of 32°C. Since Corn is not frost tolerant, make sure to plant after the last frost date.

How long does corn take to grow in Raleigh?

Corn typically takes 60-100 days from planting to harvest. In Raleigh's Humid subtropical climate with 225 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 Raleigh?

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

What month do I plant corn in Raleigh?

Plant Corn in Raleigh during April, May, June, July. These are the optimal months based on Raleigh's USDA Zone 6 climate, 225 frost-free days, and temperature range of -1°C to 32°C.

Is corn hard to grow in Raleigh?

Corn is rated "hard" to grow in Raleigh. 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 Raleigh is Moderate.

What grows well with corn in Raleigh?

In Raleigh, 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 Raleigh's Zone 6 climate.

Does corn need full sun in Raleigh?

Corn requires full sun. In Raleigh, 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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