Growing Corn in Phnom Penh
🇰🇭 Zone 13 Planting Guide · Tropical savanna climate
Quick Answer: Growing Corn in Phnom Penh
Yes, you can grow Corn 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 Corn takes 60-100 days to harvest. Corn needs full sun and regular watering.
Climate Match Analysis
Phnom Penh's temperatures (22°C to 35°C) are within the tolerable range for Corn (10°C to 35°C), though not always in the optimal zone (18°C to 30°C). Plant during recommended months for best results.
Phnom Penh Climate Data
Corn Planting Calendar for Phnom Penh
Green months show the best time to plant Corn in Phnom Penh
Corn Growing Requirements
Sunlight
Full Sun
6+ hours direct sunlight
Water
Regular
Consistent moisture, 1-2 inches/week
Days to Harvest
60-100
From planting to first harvest
Difficulty
For experienced growers
💡 Growing Tips for Corn
Minimum 4x4 block for pollination. Heavy feeder -- needs nitrogen-rich soil. 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: Corn is NOT frost tolerant — wait until after the last frost in Phnom Penh.
Companion Plants for Corn
Find out which plants grow best alongside Corn — and which to keep apart
How to Grow Corn 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. Corn requires more experience to grow successfully in this climate.
Corn thrives in temperatures between 18°C and 30°C, requiring full sun and regular watering. In Phnom Penh, the best months to plant Corn are January, February, March, April, May, June, July, August, September, October, November, December. Corn is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 60-100 days after planting.
Phnom Penh receives 1389mm of annual rainfall, which provides good natural moisture for Corn. Supplement with additional watering during dry spells.
Other Plants That Grow in Phnom Penh
More plants you can grow alongside Corn in Phnom Penh
Keep Exploring
Frequently Asked Questions
Can I grow corn in Phnom Penh?
Yes! Corn 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 Corn 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 corn in Phnom Penh?
In Phnom Penh, the recommended planting months for Corn 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 Corn is not frost tolerant, make sure to plant after the last frost date.
How long does corn take to grow in Phnom Penh?
Corn typically takes 60-100 days from planting to harvest. In Phnom Penh's Tropical savanna climate with 365 frost-free days, you have plenty of time to grow Corn to maturity. Minimum 4x4 block for pollination. Heavy feeder -- needs nitrogen-rich soil. 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 corn indoors in Phnom Penh?
Corn 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 corn in Phnom Penh?
Plant Corn 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 corn hard to grow in Phnom Penh?
Corn 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 Corn in Phnom Penh is Good.
What grows well with corn in Phnom Penh?
In Phnom Penh, you can grow many companion plants alongside Corn. 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 corn need full sun in Phnom Penh?
Corn 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.