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🥬 Vegetable hard

Growing Corn in Austin

🇺🇸 Zone 7 Planting Guide · Humid subtropical climate

USDA Zone 7 280 frost-free days 60-100 days to harvest

Quick Answer: Growing Corn in Austin

Yes, you can grow Corn in Austin, US! Plant during Feb, Mar, Apr, May for best results. Austin is in USDA Zone 7 with a Humid subtropical climate, offering 280 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 Austin + Corn

Austin's climate requires careful timing. Winter lows (3°C) drop below Corn's minimum (10°C), so avoid cold months. Summer highs (36°C) exceed Corn's maximum (35°C), so plant early or provide shade. Follow the recommended planting months for success.

Corn tolerates 10°C to 35°C
Optimal: 18°C - 30°C
Austin range 3°C to 36°C

Austin Climate Data

USDA Zone
7
Frost-Free
280days
Winter Low
3°C
Summer High
36°C
Rainfall
870mm/yr
Climate
Cfa
Humid subtropical

Corn Planting Calendar for Austin

Green months show the best time to plant Corn in Austin

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 Austin.

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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 Austin

Austin, US is in USDA Hardiness Zone 7 with a Humid subtropical climate (Köppen Cfa). With winter lows of 3°C and summer highs of 36°C, the growing season spans approximately 280 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 Austin, 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.

With 870mm of annual rainfall, Austin provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.

Other Plants That Grow in Austin

More plants you can grow alongside Corn in Austin

Keep Exploring

Frequently Asked Questions

Can I grow corn in Austin?

Yes! Corn can be successfully grown in Austin, US. Austin is in USDA Hardiness Zone 7 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 Austin?

In Austin, the recommended planting months for Corn are February, March, April, May. Austin has 280 frost-free days per year, with winter lows of 3°C and summer highs of 36°C. Since Corn is not frost tolerant, make sure to plant after the last frost date.

How long does corn take to grow in Austin?

Corn typically takes 60-100 days from planting to harvest. In Austin's Humid subtropical climate with 280 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 Austin?

Corn can potentially be grown indoors in Austin 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 Austin?

Plant Corn in Austin during February, March, April, May. These are the optimal months based on Austin's USDA Zone 7 climate, 280 frost-free days, and temperature range of 3°C to 36°C.

Is corn hard to grow in Austin?

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

What grows well with corn in Austin?

In Austin, 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 Austin's Zone 7 climate.

Does corn need full sun in Austin?

Corn requires full sun. In Austin, 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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