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Growing Star Anise in Siem Reap

🇰🇭 Zone 13 Planting Guide · Tropical savanna climate

USDA Zone 13 365 frost-free days 1825-2555 days to harvest

Quick Answer: Growing Star Anise in Siem Reap

Yes, you can grow Star Anise 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 hard, and Star Anise takes 1825-2555 days to harvest. Star Anise needs full sun to partial shade and regular watering.

Climate Match Analysis

Moderate Match Siem Reap + Star Anise

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

Star Anise tolerates 10°C to 35°C
Optimal: 20°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

Star Anise Planting Calendar for Siem Reap

Green months show the best time to plant Star Anise in Siem Reap

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

Star Anise Growing Requirements

☀️

Sunlight

Full Sun to Partial Shade

2-4 hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

1825-2555

From planting to first harvest

📊

Difficulty

hard

For experienced growers

💡 Growing Tips for Star Anise

Very slow to produce. Tropical/subtropical only. Wait until soil warms to at least 20°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: Star Anise is NOT frost tolerant — wait until after the last frost in Siem Reap.

How to Grow Star Anise 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. Star Anise requires more experience to grow successfully in this climate.

Star Anise thrives in temperatures between 20°C and 30°C, requiring full sun to partial shade and regular watering. In Siem Reap, the best months to plant Star Anise are January, February, March, April, May, June, July, August, September, October, November, December. Star Anise is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 1825-2555 days after planting.

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

Other Plants That Grow in Siem Reap

More plants you can grow alongside Star Anise in Siem Reap

Keep Exploring

Frequently Asked Questions

Can I grow star anise in Siem Reap?

Yes! Star Anise 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 Star Anise 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 star anise in Siem Reap?

In Siem Reap, the recommended planting months for Star Anise 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 Star Anise is not frost tolerant, make sure to plant after the last frost date.

How long does star anise take to grow in Siem Reap?

Star Anise typically takes 1825-2555 days from planting to harvest. In Siem Reap's Tropical savanna climate with 365 frost-free days, you have plenty of time to grow Star Anise to maturity. Very slow to produce. Tropical/subtropical only. Wait until soil warms to at least 20°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 star anise indoors in Siem Reap?

Star Anise can potentially be grown indoors in Siem Reap 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, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant star anise in Siem Reap?

Plant Star Anise 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 star anise hard to grow in Siem Reap?

Star Anise 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 Star Anise in Siem Reap is Moderate.

What grows well with star anise in Siem Reap?

In Siem Reap, you can grow many companion plants alongside Star Anise. 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 star anise need full sun in Siem Reap?

Star Anise requires full sun to partial shade. Star Anise tolerates lower light. In Siem Reap, 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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