Skip to content
🌿 Herb medium

Growing Lemongrass in Porto

🇵🇹 Zone 8 Planting Guide · Warm-summer Mediterranean climate

USDA Zone 8 320 frost-free days 75-100 days to harvest

Quick Answer: Growing Lemongrass in Porto

Yes, you can grow Lemongrass in Porto, PT! Plant during Feb, Mar, Apr, May for best results. Porto is in USDA Zone 8 with a Warm-summer Mediterranean climate, offering 320 frost-free days per year. The difficulty level is medium, and Lemongrass takes 75-100 days to harvest. Lemongrass needs full sun and regular watering.

Climate Match Analysis

Moderate Match Porto + Lemongrass

Porto's climate requires careful timing. Winter lows (5°C) drop below Lemongrass's minimum (15°C), so avoid cold months. Follow the recommended planting months for success.

Lemongrass tolerates 15°C to 38°C
Optimal: 22°C - 32°C
Porto range 5°C to 25°C

Porto Climate Data

USDA Zone
8
Frost-Free
320days
Winter Low
5°C
Summer High
25°C
Rainfall
1202mm/yr
Climate
Csb
Warm-summer Mediterranean

Lemongrass Planting Calendar for Porto

Green months show the best time to plant Lemongrass in Porto

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

Lemongrass Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

75-100

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Lemongrass

Root store-bought stalks in water. Bring indoors before frost. Wait until soil warms to at least 22°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: Lemongrass is NOT frost tolerant — wait until after the last frost in Porto.

How to Grow Lemongrass in Porto

Porto, PT is in USDA Hardiness Zone 8 with a Warm-summer Mediterranean climate (Köppen Csb). With winter lows of 5°C and summer highs of 25°C, the growing season spans approximately 320 frost-free days. Lemongrass grows well with some gardening knowledge in this climate.

Lemongrass thrives in temperatures between 22°C and 32°C, requiring full sun and regular watering. In Porto, the best months to plant Lemongrass are February, March, April, May. Lemongrass is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 75-100 days after planting.

Porto receives 1202mm of annual rainfall, which provides good natural moisture for Lemongrass. Supplement with additional watering during dry spells.

Other Plants That Grow in Porto

More plants you can grow alongside Lemongrass in Porto

Keep Exploring

Frequently Asked Questions

Can I grow lemongrass in Porto?

Yes! Lemongrass can be successfully grown in Porto, PT. Porto is in USDA Hardiness Zone 8 with a Warm-summer Mediterranean climate. The difficulty level for growing Lemongrass here is rated "medium". The best months to plant are February, March, April, May.

When should I plant lemongrass in Porto?

In Porto, the recommended planting months for Lemongrass are February, March, April, May. Porto has 320 frost-free days per year, with winter lows of 5°C and summer highs of 25°C. Since Lemongrass is not frost tolerant, make sure to plant after the last frost date.

How long does lemongrass take to grow in Porto?

Lemongrass typically takes 75-100 days from planting to harvest. In Porto's Warm-summer Mediterranean climate with 320 frost-free days, you have plenty of time to grow Lemongrass to maturity. Root store-bought stalks in water. Bring indoors before frost. Wait until soil warms to at least 22°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 lemongrass indoors in Porto?

Lemongrass can potentially be grown indoors in Porto 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 lemongrass in Porto?

Plant Lemongrass in Porto during February, March, April, May. These are the optimal months based on Porto's USDA Zone 8 climate, 320 frost-free days, and temperature range of 5°C to 25°C.

Is lemongrass hard to grow in Porto?

Lemongrass is rated "medium" to grow in Porto. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Lemongrass in Porto is Moderate.

What grows well with lemongrass in Porto?

In Porto, you can grow many companion plants alongside Lemongrass. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Porto's Zone 8 climate.

Does lemongrass need full sun in Porto?

Lemongrass requires full sun. In Porto, 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

See an error? Report it