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🥬 Vegetable hard

Growing Garlic in Siem Reap

🇰🇭 Zone 13 Planting Guide · Tropical savanna climate

USDA Zone 13 365 frost-free days 240-270 days to harvest

Quick Answer: Growing Garlic in Siem Reap

Yes, you can grow Garlic in Siem Reap, KH! Plant during Nov, Dec, Jan, Feb for best results. Siem Reap is in USDA Zone 13 with a Tropical savanna climate, offering 365 frost-free days per year. The difficulty level is hard, and Garlic takes 240-270 days to harvest. Garlic needs full sun and moderate watering.

Climate Match Analysis

Moderate Match Siem Reap + Garlic

Siem Reap's climate requires careful timing. Summer highs (36°C) exceed Garlic's maximum (25°C), so plant early or provide shade. Follow the recommended planting months for success.

Garlic tolerates -15°C to 25°C
Optimal: 5°C - 20°C
Siem Reap range 20°C to 36°C

Siem Reap Climate Data

USDA Zone
13
Frost-Free
365days
Winter Low
20°C
Summer High
36°C
Rainfall
1380mm/yr
Climate
Aw
Tropical savanna

Garlic Planting Calendar for Siem Reap

Green months show the best time to plant Garlic in Siem Reap

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

Garlic Growing Requirements

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Sunlight

Full Sun

6+ hours direct sunlight

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Water

Moderate

Keep soil consistently moist

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Days to Harvest

240-270

From planting to first harvest

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Difficulty

hard

For experienced growers

💡 Growing Tips for Garlic

Plant individual cloves pointed end up, 5cm deep. Hardneck varieties for cold climates. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

Frost tolerance: Garlic is frost tolerant — you can plant earlier in spring.

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Companion Plants for Garlic

Find out which plants grow best alongside Garlic — and which to keep apart

How to Grow Garlic in Siem Reap

Siem Reap, KH is in USDA Hardiness Zone 13 with a Tropical savanna climate (Köppen Aw). With winter lows of 20°C and summer highs of 36°C, the growing season spans approximately 365 frost-free days. Garlic requires more experience to grow successfully in this climate.

Garlic thrives in temperatures between 5°C and 20°C, requiring full sun and moderate watering. In Siem Reap, the best months to plant Garlic are November, December, January, February. Since Garlic can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 240-270 days after planting.

Siem Reap receives 1380mm of annual rainfall, which provides good natural moisture for Garlic. Monitor soil moisture and water as needed.

Other Plants That Grow in Siem Reap

More plants you can grow alongside Garlic in Siem Reap

Keep Exploring

Frequently Asked Questions

Can I grow garlic in Siem Reap?

Yes! Garlic can be successfully grown in Siem Reap, KH. Siem Reap is in USDA Hardiness Zone 13 with a Tropical savanna climate. The difficulty level for growing Garlic here is rated "hard". The best months to plant are November, December, January, February.

When should I plant garlic in Siem Reap?

In Siem Reap, the recommended planting months for Garlic are November, December, January, February. Siem Reap has 365 frost-free days per year, with winter lows of 20°C and summer highs of 36°C. Garlic is frost tolerant, giving you more flexibility with planting dates.

How long does garlic take to grow in Siem Reap?

Garlic typically takes 240-270 days from planting to harvest. In Siem Reap's Tropical savanna climate with 365 frost-free days, you have plenty of time to grow Garlic to maturity. Plant individual cloves pointed end up, 5cm deep. Hardneck varieties for cold climates. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

Can I grow garlic indoors in Siem Reap?

Garlic can potentially be grown indoors in Siem Reap 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 Nov, Dec, Jan, Feb outdoor planting window. Use containers with good drainage and moderate watering.

What month do I plant garlic in Siem Reap?

Plant Garlic in Siem Reap during November, December, January, February. These are the optimal months based on Siem Reap's USDA Zone 13 climate, 365 frost-free days, and temperature range of 20°C to 36°C.

Is garlic hard to grow in Siem Reap?

Garlic is rated "hard" to grow in Siem Reap. This is challenging in this climate. Experienced growers will have the best success with careful attention to temperature and moisture. The climate match for Garlic in Siem Reap is Moderate.

What grows well with garlic in Siem Reap?

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

Does garlic need full sun in Siem Reap?

Garlic requires full sun. In Siem Reap, 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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