Growing Kohlrabi in Chicago
🇺🇸 Zone 3 Planting Guide · Hot-summer humid continental climate
Quick Answer: Growing Kohlrabi in Chicago
Yes, you can grow Kohlrabi in Chicago, US! Plant during Mar, Apr, May, Aug, Sep for best results. Chicago is in USDA Zone 3 with a Hot-summer humid continental climate, offering 187 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
Chicago's climate requires careful timing. Winter lows (-8°C) drop below Kohlrabi's minimum (0°C), so avoid cold months. Summer highs (29°C) exceed Kohlrabi's maximum (24°C), so plant early or provide shade. Follow the recommended planting months for success.
Chicago Climate Data
Kohlrabi Planting Calendar for Chicago
Green months show the best time to plant Kohlrabi in Chicago
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
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 Chicago
Chicago, US is in USDA Hardiness Zone 3 with a Hot-summer humid continental climate (Köppen Dfa). With winter lows of -8°C and summer highs of 29°C, the growing season spans approximately 187 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 Chicago, 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 940mm of annual rainfall, Chicago provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.
Other Plants That Grow in Chicago
More plants you can grow alongside Kohlrabi in Chicago
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Frequently Asked Questions
Can I grow kohlrabi in Chicago?
Yes! Kohlrabi can be successfully grown in Chicago, US. Chicago is in USDA Hardiness Zone 3 with a Hot-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 Chicago?
In Chicago, the recommended planting months for Kohlrabi are March, April, May, August, September. Chicago has 187 frost-free days per year, with winter lows of -8°C and summer highs of 29°C. Kohlrabi is frost tolerant, giving you more flexibility with planting dates.
How long does kohlrabi take to grow in Chicago?
Kohlrabi typically takes 45-60 days from planting to harvest. In Chicago's Hot-summer humid continental climate with 187 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 Chicago?
Kohlrabi can potentially be grown indoors in Chicago 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 Chicago?
Plant Kohlrabi in Chicago during March, April, May, August, September. These are the optimal months based on Chicago's USDA Zone 3 climate, 187 frost-free days, and temperature range of -8°C to 29°C.
Is kohlrabi hard to grow in Chicago?
Kohlrabi is rated "medium" to grow in Chicago. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Kohlrabi in Chicago is Moderate.
What grows well with kohlrabi in Chicago?
In Chicago, 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 Chicago's Zone 3 climate.
Does kohlrabi need full sun in Chicago?
Kohlrabi requires full sun. In Chicago, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.