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🥬 Vegetable hard

Growing Corn in Houston

🇺🇸 Zone 8 Planting Guide · Humid subtropical climate

USDA Zone 8 300 frost-free days 60-100 days to harvest

Quick Answer: Growing Corn in Houston

Yes, you can grow Corn in Houston, US! Plant during Feb, Mar, Apr, May for best results. Houston is in USDA Zone 8 with a Humid subtropical climate, offering 300 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 Houston + Corn

Houston's climate requires careful timing. Winter lows (5°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
Houston range 5°C to 35°C

Houston Climate Data

USDA Zone
8
Frost-Free
300days
Winter Low
5°C
Summer High
35°C
Rainfall
1264mm/yr
Climate
Cfa
Humid subtropical

Corn Planting Calendar for Houston

Green months show the best time to plant Corn in Houston

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 Houston.

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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 Houston

Houston, US is in USDA Hardiness Zone 8 with a Humid subtropical climate (Köppen Cfa). With winter lows of 5°C and summer highs of 35°C, the growing season spans approximately 300 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 Houston, the best months to plant Corn are February, March, April, May. 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.

Houston receives 1264mm of annual rainfall, which provides good natural moisture for Corn. Supplement with additional watering during dry spells.

Other Plants That Grow in Houston

More plants you can grow alongside Corn in Houston

Keep Exploring

Frequently Asked Questions

Can I grow corn in Houston?

Yes! Corn can be successfully grown in Houston, US. Houston is in USDA Hardiness Zone 8 with a Humid subtropical climate. The difficulty level for growing Corn here is rated "hard". The best months to plant are February, March, April, May.

When should I plant corn in Houston?

In Houston, the recommended planting months for Corn are February, March, April, May. Houston has 300 frost-free days per year, with winter lows of 5°C and summer highs of 35°C. Since Corn is not frost tolerant, make sure to plant after the last frost date.

How long does corn take to grow in Houston?

Corn typically takes 60-100 days from planting to harvest. In Houston's Humid subtropical climate with 300 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 Houston?

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

What month do I plant corn in Houston?

Plant Corn in Houston during February, March, April, May. These are the optimal months based on Houston's USDA Zone 8 climate, 300 frost-free days, and temperature range of 5°C to 35°C.

Is corn hard to grow in Houston?

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

What grows well with corn in Houston?

In Houston, 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 Houston's Zone 8 climate.

Does corn need full sun in Houston?

Corn requires full sun. In Houston, provide at least 6 hours of direct sunlight daily. During peak summer heat, some afternoon shade can help prevent heat stress.

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

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