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🥬 Vegetable medium

Growing Pumpkin in Siem Reap

🇰🇭 Zone 13 Planting Guide · Tropical savanna climate

USDA Zone 13 365 frost-free days 90-120 days to harvest

Quick Answer: Growing Pumpkin in Siem Reap

Yes, you can grow Pumpkin in Siem Reap, KH! Plant during Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec 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 medium, and Pumpkin takes 90-120 days to harvest. Pumpkin needs full sun and regular watering.

Climate Match Analysis

Moderate Match Siem Reap + Pumpkin

Siem Reap's climate requires careful timing. Summer highs (36°C) exceed Pumpkin's maximum (35°C), so plant early or provide shade. Follow the recommended planting months for success.

Pumpkin tolerates 12°C to 35°C
Optimal: 18°C - 30°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

Pumpkin Planting Calendar for Siem Reap

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

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

Pumpkin Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

90-120

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Pumpkin

Direct sow after soil warms. Pinch vine tips after fruit sets. 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: Pumpkin is NOT frost tolerant — wait until after the last frost in Siem Reap.

How to Grow Pumpkin 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. Pumpkin grows well with some gardening knowledge in this climate.

Pumpkin thrives in temperatures between 18°C and 30°C, requiring full sun and regular watering. In Siem Reap, the best months to plant Pumpkin are January, February, March, April, May, June, July, August, September, October, November, December. Pumpkin is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 90-120 days after planting.

Siem Reap receives 1380mm of annual rainfall, which provides good natural moisture for Pumpkin. Supplement with additional watering during dry spells.

Other Plants That Grow in Siem Reap

More plants you can grow alongside Pumpkin in Siem Reap

Keep Exploring

Frequently Asked Questions

Can I grow pumpkin in Siem Reap?

Yes! Pumpkin 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 Pumpkin here is rated "medium". The best months to plant are January, February, March, April, May, June, July, August, September, October, November, December.

When should I plant pumpkin in Siem Reap?

In Siem Reap, the recommended planting months for Pumpkin are January, February, March, April, May, June, July, August, September, October, November, December. Siem Reap has 365 frost-free days per year, with winter lows of 20°C and summer highs of 36°C. Since Pumpkin is not frost tolerant, make sure to plant after the last frost date.

How long does pumpkin take to grow in Siem Reap?

Pumpkin typically takes 90-120 days from planting to harvest. In Siem Reap's Tropical savanna climate with 365 frost-free days, you have plenty of time to grow Pumpkin to maturity. Direct sow after soil warms. Pinch vine tips after fruit sets. 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 pumpkin indoors in Siem Reap?

Pumpkin 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 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 pumpkin in Siem Reap?

Plant Pumpkin in Siem Reap during January, February, March, April, May, June, July, August, September, October, November, December. 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 pumpkin hard to grow in Siem Reap?

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

What grows well with pumpkin in Siem Reap?

In Siem Reap, you can grow many companion plants alongside Pumpkin. 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 pumpkin need full sun in Siem Reap?

Pumpkin 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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