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🥬 Vegetable medium

Growing Kohlrabi in Phnom Penh

🇰🇭 Zone 13 Planting Guide · Tropical savanna climate

USDA Zone 13 365 frost-free days 45-60 days to harvest

Quick Answer: Growing Kohlrabi in Phnom Penh

Yes, you can grow Kohlrabi in Phnom Penh, KH! Plant during Nov, Dec, Jan, Feb 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 Kohlrabi takes 45-60 days to harvest. Kohlrabi needs full sun and regular watering.

Climate Match Analysis

Moderate Match Phnom Penh + Kohlrabi

Phnom Penh's climate requires careful timing. Summer highs (35°C) exceed Kohlrabi's maximum (24°C), so plant early or provide shade. Follow the recommended planting months for success.

Kohlrabi tolerates 0°C to 24°C
Optimal: 10°C - 20°C
Phnom Penh range 22°C to 35°C

Phnom Penh Climate Data

USDA Zone
13
Frost-Free
365days
Winter Low
22°C
Summer High
35°C
Rainfall
1389mm/yr
Climate
Aw
Tropical savanna

Kohlrabi Planting Calendar for Phnom Penh

Green months show the best time to plant Kohlrabi in Phnom Penh

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

Kohlrabi Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

45-60

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Kohlrabi

Harvest when tennis-ball sized. Larger ones become woody. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

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

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

Kohlrabi thrives in temperatures between 10°C and 20°C, requiring full sun and regular watering. In Phnom Penh, the best months to plant Kohlrabi are November, December, January, February. Since Kohlrabi can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 45-60 days after planting.

Phnom Penh receives 1389mm of annual rainfall, which provides good natural moisture for Kohlrabi. Supplement with additional watering during dry spells.

Other Plants That Grow in Phnom Penh

More plants you can grow alongside Kohlrabi in Phnom Penh

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Frequently Asked Questions

Can I grow kohlrabi in Phnom Penh?

Yes! Kohlrabi 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 Kohlrabi here is rated "medium". The best months to plant are November, December, January, February.

When should I plant kohlrabi in Phnom Penh?

In Phnom Penh, the recommended planting months for Kohlrabi are November, December, January, February. Phnom Penh has 365 frost-free days per year, with winter lows of 22°C and summer highs of 35°C. Kohlrabi is frost tolerant, giving you more flexibility with planting dates.

How long does kohlrabi take to grow in Phnom Penh?

Kohlrabi typically takes 45-60 days from planting to harvest. In Phnom Penh's Tropical savanna climate with 365 frost-free days, you have plenty of time to grow Kohlrabi to maturity. Harvest when tennis-ball sized. Larger ones become woody. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. 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 kohlrabi indoors in Phnom Penh?

Kohlrabi 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 Nov, Dec, Jan, Feb outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant kohlrabi in Phnom Penh?

Plant Kohlrabi in Phnom Penh during November, December, January, February. 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 kohlrabi hard to grow in Phnom Penh?

Kohlrabi 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 Kohlrabi in Phnom Penh is Moderate.

What grows well with kohlrabi in Phnom Penh?

In Phnom Penh, you can grow many companion plants alongside Kohlrabi. 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 kohlrabi need full sun in Phnom Penh?

Kohlrabi 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.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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