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🥬 Vegetable medium

Growing Kohlrabi in Riga

🇱🇻 Zone 4 Planting Guide · Warm-summer humid continental climate

USDA Zone 4 180 frost-free days 45-60 days to harvest

Quick Answer: Growing Kohlrabi in Riga

Yes, you can grow Kohlrabi in Riga, LV! Plant during Mar, Apr, May, Aug, Sep for best results. Riga is in USDA Zone 4 with a Warm-summer humid continental climate, offering 180 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 Riga + Kohlrabi

Riga's climate requires careful timing. Winter lows (-7°C) drop below Kohlrabi's minimum (0°C), so avoid cold months. Follow the recommended planting months for success.

Kohlrabi tolerates 0°C to 24°C
Optimal: 10°C - 20°C
Riga range -7°C to 22°C

Riga Climate Data

USDA Zone
4
Frost-Free
180days
Winter Low
-7°C
Summer High
22°C
Rainfall
641mm/yr
Climate
Dfb
Warm-summer humid continental

Kohlrabi Planting Calendar for Riga

Green months show the best time to plant Kohlrabi in Riga

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 Riga

Riga, LV is in USDA Hardiness Zone 4 with a Warm-summer humid continental climate (Köppen Dfb). With winter lows of -7°C and summer highs of 22°C, the growing season spans approximately 180 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 Riga, the best months to plant Kohlrabi are March, April, May, August, September. 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.

With 641mm of annual rainfall, Riga provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.

Other Plants That Grow in Riga

More plants you can grow alongside Kohlrabi in Riga

Keep Exploring

Frequently Asked Questions

Can I grow kohlrabi in Riga?

Yes! Kohlrabi can be successfully grown in Riga, LV. Riga is in USDA Hardiness Zone 4 with a Warm-summer humid continental climate. The difficulty level for growing Kohlrabi here is rated "medium". The best months to plant are March, April, May, August, September.

When should I plant kohlrabi in Riga?

In Riga, the recommended planting months for Kohlrabi are March, April, May, August, September. Riga has 180 frost-free days per year, with winter lows of -7°C and summer highs of 22°C. Kohlrabi is frost tolerant, giving you more flexibility with planting dates.

How long does kohlrabi take to grow in Riga?

Kohlrabi typically takes 45-60 days from planting to harvest. In Riga's Warm-summer humid continental climate with 180 frost-free days, you have enough time with good planning 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 Riga?

Kohlrabi can potentially be grown indoors in Riga 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 Mar, Apr, May, Aug, Sep outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant kohlrabi in Riga?

Plant Kohlrabi in Riga during March, April, May, August, September. These are the optimal months based on Riga's USDA Zone 4 climate, 180 frost-free days, and temperature range of -7°C to 22°C.

Is kohlrabi hard to grow in Riga?

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

What grows well with kohlrabi in Riga?

In Riga, 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 Riga's Zone 4 climate.

Does kohlrabi need full sun in Riga?

Kohlrabi requires full sun. In Riga, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.

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

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