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Growing Nasturtium in Beirut

🇱🇧 Zone 9 Planting Guide · Hot-summer Mediterranean climate

USDA Zone 9 355 frost-free days 35-52 days to harvest

Quick Answer: Growing Nasturtium in Beirut

Yes, you can grow Nasturtium in Beirut, LB! Plant during Jan, Feb, Mar, Apr for best results. Beirut is in USDA Zone 9 with a Hot-summer Mediterranean climate, offering 355 frost-free days per year. The difficulty level is easy, and Nasturtium takes 35-52 days to harvest. Nasturtium needs full sun to partial shade and low watering.

Climate Match Analysis

Good Match Beirut + Nasturtium

Beirut's temperatures (10°C to 30°C) are within the tolerable range for Nasturtium (5°C to 30°C), though not always in the optimal zone (15°C to 25°C). Plant during recommended months for best results.

Nasturtium tolerates 5°C to 30°C
Optimal: 15°C - 25°C
Beirut range 10°C to 30°C

Beirut Climate Data

USDA Zone
9
Frost-Free
355days
Winter Low
10°C
Summer High
30°C
Rainfall
825mm/yr
Climate
Csa
Hot-summer Mediterranean

Nasturtium Planting Calendar for Beirut

Green months show the best time to plant Nasturtium in Beirut

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

Nasturtium Growing Requirements

☀️

Sunlight

Full Sun to Partial Shade

2-4 hours direct sunlight

💧

Water

Low

Drought tolerant, water sparingly

📅

Days to Harvest

35-52

From planting to first harvest

📊

Difficulty

easy

Great for beginners

💡 Growing Tips for Nasturtium

Poor soil produces more flowers. Seeds are large and easy for kids. Wait until soil warms to at least 15°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Frost tolerance: Nasturtium is NOT frost tolerant — wait until after the last frost in Beirut.

How to Grow Nasturtium in Beirut

Beirut, LB is in USDA Hardiness Zone 9 with a Hot-summer Mediterranean climate (Köppen Csa). With winter lows of 10°C and summer highs of 30°C, the growing season spans approximately 355 frost-free days. Nasturtium is one of the easiest plants to grow in this climate.

Nasturtium thrives in temperatures between 15°C and 25°C, requiring full sun to partial shade and low watering. In Beirut, the best months to plant Nasturtium are January, February, March, April. Nasturtium is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 35-52 days after planting.

With 825mm of annual rainfall, Beirut provides moderate natural moisture. This should be adequate for Nasturtium's water needs.

Other Plants That Grow in Beirut

More plants you can grow alongside Nasturtium in Beirut

Keep Exploring

Frequently Asked Questions

Can I grow nasturtium in Beirut?

Yes! Nasturtium can be successfully grown in Beirut, LB. Beirut is in USDA Hardiness Zone 9 with a Hot-summer Mediterranean climate. The difficulty level for growing Nasturtium here is rated "easy". The best months to plant are January, February, March, April.

When should I plant nasturtium in Beirut?

In Beirut, the recommended planting months for Nasturtium are January, February, March, April. Beirut has 355 frost-free days per year, with winter lows of 10°C and summer highs of 30°C. Since Nasturtium is not frost tolerant, make sure to plant after the last frost date.

How long does nasturtium take to grow in Beirut?

Nasturtium typically takes 35-52 days from planting to harvest. In Beirut's Hot-summer Mediterranean climate with 355 frost-free days, you have plenty of time to grow Nasturtium to maturity. Poor soil produces more flowers. Seeds are large and easy for kids. Wait until soil warms to at least 15°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Can I grow nasturtium indoors in Beirut?

Nasturtium can potentially be grown indoors in Beirut with proper conditions. It requires full sun to partial shade (2-4 hours of indirect light). Indoor growing extends your season beyond the Jan, Feb, Mar, Apr outdoor planting window. Use containers with good drainage and low watering.

What month do I plant nasturtium in Beirut?

Plant Nasturtium in Beirut during January, February, March, April. These are the optimal months based on Beirut's USDA Zone 9 climate, 355 frost-free days, and temperature range of 10°C to 30°C.

Is nasturtium hard to grow in Beirut?

Nasturtium is rated "easy" to grow in Beirut. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Nasturtium in Beirut is Good.

What grows well with nasturtium in Beirut?

In Beirut, you can grow many companion plants alongside Nasturtium. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Beirut's Zone 9 climate.

Does nasturtium need full sun in Beirut?

Nasturtium requires full sun to partial shade. Nasturtium tolerates lower light. In Beirut, a spot with filtered or indirect light for 2-4 hours works well.

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

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