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🥬 Vegetable easy

Growing Green Bean in Chiang Mai

🇹🇭 Zone 11 Planting Guide · Tropical savanna climate

USDA Zone 11 365 frost-free days 50-60 days to harvest

Quick Answer: Growing Green Bean in Chiang Mai

Yes, you can grow Green Bean in Chiang Mai, TH! Plant during Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec for best results. Chiang Mai is in USDA Zone 11 with a Tropical savanna climate, offering 365 frost-free days per year. The difficulty level is easy, and Green Bean takes 50-60 days to harvest. Green Bean needs full sun and regular watering.

Climate Match Analysis

Moderate Match Chiang Mai + Green Bean

Chiang Mai's climate requires careful timing. Summer highs (36°C) exceed Green Bean's maximum (32°C), so plant early or provide shade. Follow the recommended planting months for success.

Green Bean tolerates 10°C to 32°C
Optimal: 18°C - 27°C
Chiang Mai range 15°C to 36°C

Chiang Mai Climate Data

USDA Zone
11
Frost-Free
365days
Winter Low
15°C
Summer High
36°C
Rainfall
1200mm/yr
Climate
Aw
Tropical savanna

Green Bean Planting Calendar for Chiang Mai

Green months show the best time to plant Green Bean in Chiang Mai

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

Green Bean Growing Requirements

☀️

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

50-60

From planting to first harvest

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Difficulty

easy

Great for beginners

💡 Growing Tips for Green Bean

Sow directly after last frost. Pick frequently to keep plants producing. 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: Green Bean is NOT frost tolerant — wait until after the last frost in Chiang Mai.

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Grow Green Bean Indoors

No garden? Learn how to grow Green Bean indoors with our complete guide

How to Grow Green Bean in Chiang Mai

Chiang Mai, TH is in USDA Hardiness Zone 11 with a Tropical savanna climate (Köppen Aw). With winter lows of 15°C and summer highs of 36°C, the growing season spans approximately 365 frost-free days. Green Bean is one of the easiest plants to grow in this climate.

Green Bean thrives in temperatures between 18°C and 27°C, requiring full sun and regular watering. In Chiang Mai, the best months to plant Green Bean are January, February, March, April, May, June, July, August, September, October, November, December. Green Bean is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 50-60 days after planting.

Chiang Mai receives 1200mm of annual rainfall, which provides good natural moisture for Green Bean. Supplement with additional watering during dry spells.

Other Plants That Grow in Chiang Mai

More plants you can grow alongside Green Bean in Chiang Mai

Keep Exploring

Frequently Asked Questions

Can I grow green bean in Chiang Mai?

Yes! Green Bean can be successfully grown in Chiang Mai, TH. Chiang Mai is in USDA Hardiness Zone 11 with a Tropical savanna climate. The difficulty level for growing Green Bean here is rated "easy". The best months to plant are January, February, March, April, May, June, July, August, September, October, November, December.

When should I plant green bean in Chiang Mai?

In Chiang Mai, the recommended planting months for Green Bean are January, February, March, April, May, June, July, August, September, October, November, December. Chiang Mai has 365 frost-free days per year, with winter lows of 15°C and summer highs of 36°C. Since Green Bean is not frost tolerant, make sure to plant after the last frost date.

How long does green bean take to grow in Chiang Mai?

Green Bean typically takes 50-60 days from planting to harvest. In Chiang Mai's Tropical savanna climate with 365 frost-free days, you have plenty of time to grow Green Bean to maturity. Sow directly after last frost. Pick frequently to keep plants producing. 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 green bean indoors in Chiang Mai?

Green Bean can potentially be grown indoors in Chiang Mai 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, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant green bean in Chiang Mai?

Plant Green Bean in Chiang Mai during January, February, March, April, May, June, July, August, September, October, November, December. These are the optimal months based on Chiang Mai's USDA Zone 11 climate, 365 frost-free days, and temperature range of 15°C to 36°C.

Is green bean hard to grow in Chiang Mai?

Green Bean is rated "easy" to grow in Chiang Mai. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Green Bean in Chiang Mai is Moderate.

What grows well with green bean in Chiang Mai?

In Chiang Mai, you can grow many companion plants alongside Green Bean. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Chiang Mai's Zone 11 climate.

Does green bean need full sun in Chiang Mai?

Green Bean requires full sun. In Chiang Mai, 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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