Growing Kohlrabi in Denver
🇺🇸 Zone 3 Planting Guide · Cold semi-arid climate
Quick Answer: Growing Kohlrabi in Denver
Yes, you can grow Kohlrabi in Denver, US! Plant during Mar, Apr, May, Jul, Aug for best results. Denver is in USDA Zone 3 with a Cold semi-arid climate, offering 157 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
Denver's climate requires careful timing. Winter lows (-8°C) drop below Kohlrabi's minimum (0°C), so avoid cold months. Summer highs (32°C) exceed Kohlrabi's maximum (24°C), so plant early or provide shade. Follow the recommended planting months for success.
Denver Climate Data
Kohlrabi Planting Calendar for Denver
Green months show the best time to plant Kohlrabi in Denver
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 Denver
Denver, US is in USDA Hardiness Zone 3 with a Cold semi-arid climate (Köppen BSk). With winter lows of -8°C and summer highs of 32°C, the growing season spans approximately 157 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 Denver, the best months to plant Kohlrabi are March, April, May, July, August. 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.
Denver receives only 401mm of annual rainfall, so consistent irrigation will be essential for growing Kohlrabi successfully.
Other Plants That Grow in Denver
More plants you can grow alongside Kohlrabi in Denver
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Frequently Asked Questions
Can I grow kohlrabi in Denver?
Yes! Kohlrabi can be successfully grown in Denver, US. Denver is in USDA Hardiness Zone 3 with a Cold semi-arid climate. The difficulty level for growing Kohlrabi here is rated "medium". The best months to plant are March, April, May, July, August.
When should I plant kohlrabi in Denver?
In Denver, the recommended planting months for Kohlrabi are March, April, May, July, August. Denver has 157 frost-free days per year, with winter lows of -8°C and summer highs of 32°C. Kohlrabi is frost tolerant, giving you more flexibility with planting dates.
How long does kohlrabi take to grow in Denver?
Kohlrabi typically takes 45-60 days from planting to harvest. In Denver's Cold semi-arid climate with 157 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 Denver?
Kohlrabi can potentially be grown indoors in Denver 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, Jul, Aug outdoor planting window. Use containers with good drainage and regular watering.
What month do I plant kohlrabi in Denver?
Plant Kohlrabi in Denver during March, April, May, July, August. These are the optimal months based on Denver's USDA Zone 3 climate, 157 frost-free days, and temperature range of -8°C to 32°C.
Is kohlrabi hard to grow in Denver?
Kohlrabi is rated "medium" to grow in Denver. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Kohlrabi in Denver is Moderate.
What grows well with kohlrabi in Denver?
In Denver, 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 Denver's Zone 3 climate.
Does kohlrabi need full sun in Denver?
Kohlrabi requires full sun. In Denver, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.