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Growing Cinnamon in Phnom Penh

🇰🇭 Zone 13 Planting Guide · Tropical savanna climate

USDA Zone 13 365 frost-free days 730-1095 days to harvest

Quick Answer: Growing Cinnamon in Phnom Penh

Yes, you can grow Cinnamon in Phnom Penh, KH! Plant during Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec for best results. Phnom Penh is in USDA Zone 13 with a Tropical savanna climate, offering 365 frost-free days per year. The difficulty level is hard, and Cinnamon takes 730-1095 days to harvest. Cinnamon needs full sun and regular watering.

Climate Match Analysis

Good Match Phnom Penh + Cinnamon

Phnom Penh's temperatures (22°C to 35°C) are within the tolerable range for Cinnamon (15°C to 38°C), though not always in the optimal zone (24°C to 32°C). Plant during recommended months for best results.

Cinnamon tolerates 15°C to 38°C
Optimal: 24°C - 32°C
Phnom Penh range 22°C to 35°C

Phnom Penh Climate Data

USDA Zone
13
Frost-Free
365days
Winter Low
22°C
Summer High
35°C
Rainfall
1389mm/yr
Climate
Aw
Tropical savanna

Cinnamon Planting Calendar for Phnom Penh

Green months show the best time to plant Cinnamon in Phnom Penh

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

Cinnamon Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

730-1095

From planting to first harvest

📊

Difficulty

hard

For experienced growers

💡 Growing Tips for Cinnamon

Grow from cuttings. Strip bark from 2-year-old branches. Wait until soil warms to at least 24°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: Cinnamon is NOT frost tolerant — wait until after the last frost in Phnom Penh.

How to Grow Cinnamon in Phnom Penh

Phnom Penh, KH is in USDA Hardiness Zone 13 with a Tropical savanna climate (Köppen Aw). With winter lows of 22°C and summer highs of 35°C, the growing season spans approximately 365 frost-free days. Cinnamon requires more experience to grow successfully in this climate.

Cinnamon thrives in temperatures between 24°C and 32°C, requiring full sun and regular watering. In Phnom Penh, the best months to plant Cinnamon are January, February, March, April, May, June, July, August, September, October, November, December. Cinnamon is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 730-1095 days after planting.

Phnom Penh receives 1389mm of annual rainfall, which provides good natural moisture for Cinnamon. Supplement with additional watering during dry spells.

Other Plants That Grow in Phnom Penh

More plants you can grow alongside Cinnamon in Phnom Penh

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Frequently Asked Questions

Can I grow cinnamon in Phnom Penh?

Yes! Cinnamon can be successfully grown in Phnom Penh, KH. Phnom Penh is in USDA Hardiness Zone 13 with a Tropical savanna climate. The difficulty level for growing Cinnamon here is rated "hard". The best months to plant are January, February, March, April, May, June, July, August, September, October, November, December.

When should I plant cinnamon in Phnom Penh?

In Phnom Penh, the recommended planting months for Cinnamon are January, February, March, April, May, June, July, August, September, October, November, December. Phnom Penh has 365 frost-free days per year, with winter lows of 22°C and summer highs of 35°C. Since Cinnamon is not frost tolerant, make sure to plant after the last frost date.

How long does cinnamon take to grow in Phnom Penh?

Cinnamon typically takes 730-1095 days from planting to harvest. In Phnom Penh's Tropical savanna climate with 365 frost-free days, you have plenty of time to grow Cinnamon to maturity. Grow from cuttings. Strip bark from 2-year-old branches. Wait until soil warms to at least 24°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 cinnamon indoors in Phnom Penh?

Cinnamon can potentially be grown indoors in Phnom Penh 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 cinnamon in Phnom Penh?

Plant Cinnamon in Phnom Penh during January, February, March, April, May, June, July, August, September, October, November, December. These are the optimal months based on Phnom Penh's USDA Zone 13 climate, 365 frost-free days, and temperature range of 22°C to 35°C.

Is cinnamon hard to grow in Phnom Penh?

Cinnamon is rated "hard" to grow in Phnom Penh. This is challenging in this climate. Experienced growers will have the best success with careful attention to temperature and moisture. The climate match for Cinnamon in Phnom Penh is Good.

What grows well with cinnamon in Phnom Penh?

In Phnom Penh, you can grow many companion plants alongside Cinnamon. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Phnom Penh's Zone 13 climate.

Does cinnamon need full sun in Phnom Penh?

Cinnamon requires full sun. In Phnom Penh, 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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