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🥬 Vegetable hard

Growing Corn in Lisbon

🇵🇹 Zone 9 Planting Guide · Hot-summer Mediterranean climate

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

Quick Answer: Growing Corn in Lisbon

Yes, you can grow Corn in Lisbon, PT! Plant during Jan, Feb, Mar, Apr for best results. Lisbon is in USDA Zone 9 with a Hot-summer Mediterranean 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

Moderate Match Lisbon + Corn

Lisbon's climate requires careful timing. Winter lows (8°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
Lisbon range 8°C to 28°C

Lisbon Climate Data

USDA Zone
9
Frost-Free
350days
Winter Low
8°C
Summer High
28°C
Rainfall
774mm/yr
Climate
Csa
Hot-summer Mediterranean

Corn Planting Calendar for Lisbon

Green months show the best time to plant Corn in Lisbon

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 Lisbon.

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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 Lisbon

Lisbon, PT is in USDA Hardiness Zone 9 with a Hot-summer Mediterranean climate (Köppen Csa). With winter lows of 8°C and summer highs of 28°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 Lisbon, 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.

With 774mm of annual rainfall, Lisbon provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.

Other Plants That Grow in Lisbon

More plants you can grow alongside Corn in Lisbon

Keep Exploring

Frequently Asked Questions

Can I grow corn in Lisbon?

Yes! Corn can be successfully grown in Lisbon, PT. Lisbon is in USDA Hardiness Zone 9 with a Hot-summer Mediterranean 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 Lisbon?

In Lisbon, the recommended planting months for Corn are January, February, March, April. Lisbon has 350 frost-free days per year, with winter lows of 8°C and summer highs of 28°C. Since Corn is not frost tolerant, make sure to plant after the last frost date.

How long does corn take to grow in Lisbon?

Corn typically takes 60-100 days from planting to harvest. In Lisbon's Hot-summer Mediterranean 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 Lisbon?

Corn can potentially be grown indoors in Lisbon 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 Lisbon?

Plant Corn in Lisbon during January, February, March, April. These are the optimal months based on Lisbon's USDA Zone 9 climate, 350 frost-free days, and temperature range of 8°C to 28°C.

Is corn hard to grow in Lisbon?

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

What grows well with corn in Lisbon?

In Lisbon, 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 Lisbon's Zone 9 climate.

Does corn need full sun in Lisbon?

Corn requires full sun. In Lisbon, 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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