Growing Soybean in Phnom Penh
🇰🇭 Zone 13 Planting Guide · Tropical savanna climate
Quick Answer: Growing Soybean in Phnom Penh
Yes, you can grow Soybean 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 medium, and Soybean takes 80-120 days to harvest. Soybean needs full sun and regular watering.
Climate Match Analysis
Phnom Penh's temperatures (22°C to 35°C) are within the tolerable range for Soybean (10°C to 35°C), though not always in the optimal zone (20°C to 30°C). Plant during recommended months for best results.
Phnom Penh Climate Data
Soybean Planting Calendar for Phnom Penh
Green months show the best time to plant Soybean in Phnom Penh
Soybean Growing Requirements
Sunlight
Full Sun
6+ hours direct sunlight
Water
Regular
Consistent moisture, 1-2 inches/week
Days to Harvest
80-120
From planting to first harvest
Difficulty
Some experience helpful
💡 Growing Tips for Soybean
Inoculate seeds with nitrogen-fixing bacteria. Bush types don't need support. 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: Soybean is NOT frost tolerant — wait until after the last frost in Phnom Penh.
How to Grow Soybean 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. Soybean grows well with some gardening knowledge in this climate.
Soybean thrives in temperatures between 20°C and 30°C, requiring full sun and regular watering. In Phnom Penh, the best months to plant Soybean are January, February, March, April, May, June, July, August, September, October, November, December. Soybean is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 80-120 days after planting.
Phnom Penh receives 1389mm of annual rainfall, which provides good natural moisture for Soybean. Supplement with additional watering during dry spells.
Other Plants That Grow in Phnom Penh
More plants you can grow alongside Soybean in Phnom Penh
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Frequently Asked Questions
Can I grow soybean in Phnom Penh?
Yes! Soybean 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 Soybean 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 soybean in Phnom Penh?
In Phnom Penh, the recommended planting months for Soybean 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 Soybean is not frost tolerant, make sure to plant after the last frost date.
How long does soybean take to grow in Phnom Penh?
Soybean typically takes 80-120 days from planting to harvest. In Phnom Penh's Tropical savanna climate with 365 frost-free days, you have plenty of time to grow Soybean to maturity. Inoculate seeds with nitrogen-fixing bacteria. Bush types don't need support. 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 soybean indoors in Phnom Penh?
Soybean 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 soybean in Phnom Penh?
Plant Soybean 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 soybean hard to grow in Phnom Penh?
Soybean is rated "medium" to grow in Phnom Penh. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Soybean in Phnom Penh is Good.
What grows well with soybean in Phnom Penh?
In Phnom Penh, you can grow many companion plants alongside Soybean. 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 soybean need full sun in Phnom Penh?
Soybean 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.